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The Unofficial Lost Glossary: 316 Things You Must Know

The Official Lost Glossary

Calling all Fanboys, and newbies, Losties and Tailies, Others and Hostiles. Consider this guide a primer–the basics of every character, place, item, vehicle, episode, et cetera ever mentioned on the series, the webisodes, Lost: Missing Pieces, and even some extra stuff that only uber–Lost geeks would know.

All character names are alphabetized by first name. Many entries have a number such as 1.08. This corresponds to the season (1) and the episode (8) which the entry was first seen.

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Aaron Littleton
Claire’s son, born on the island (I). Raised by Kate off–Island (FF&PO6). Unborn (FS).
 
”Ab Aeterno”
In Latin it means ‘from eternity’. Richard’s flashback story where we learn he came to the island on the Black Rock and was granted eternal life by Jacob (FBI, 6.08).

”Abandoned”
Shannon learns her father was in a car accident (FB). First episode where the character getting the flashback dies, as Shannon is accidentally killed by Ana-Lucia (I, 2.06).

”Across the Sea”
The origins of Jacob and the Man–In–Black are revealed. They’re brothers (6.15).

Adam and Eve
The Skeleton’s found by the castaways are the remains of Mother and the Man In Black. (FB & I, 1.06- “House of the Rising Sun,” 6.15-“Across the Sea”)

“Adrift”
Michael eventually gives Susan sole custody of Walt (FB). Desmond questions Locke and instructs him to input the numbers. Michael and Sawyer argue as they wash ashore and find Jin running from who he thinks are the others (I, 2.02)

“Adventures of Hurley and Frogurt”
A Missing Pieces mobisode. Neil ‘Frogurt’ argues with Hurley about him having a shot with Libby. (MP 1.02)

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Ajira Airlines Flight 316
The flight that the Oceanic Six, Ilana’s group, and Frank Lapidus use to get back to the Island (PO6). (5.06-“316”)

Alexandra Rousseau
Ben’s daughter via kidnapping (FB, 5.12-“Dead is Dead). Real daughter of Danielle and Robert Rousseau (I, 5.05-“This Place is Death”). Killed by Martin Keamy (I, 4.09-“The Shape of Things to Come”). Student of Dr. Linus (FS, 6.07-“Dr. Linus”). 

Alice in Wonderland
There are many references to the Lewis Caroll books on the series. Justto name a few, Jack reads it to Aaron (FF, 4.10-“Something Nice BackHome”). One of the DHARMA stations is named The Looking Glass (I,3.21-“Greatest Hits”).

“All the Best Cowboys Have Daddy Issues”
Jack loses a patient and gets his dad fired for operating while intoxicated (FB). The castaways learn that Ethan was not on the manifest as he has taken Claire and left Charlie to die (I, 1.11).   .

Amy Goodspeed
Member of the DHARMA Initiative, mother if Ethan Rom (I, 5.08-“LaFleur”). Voted on killing Sayid (I, 5.10-“He’s Our You”)

Ana-Lucia Cortez
De-facto leader of the Tallies (I, 2.03-“Orientation”). Accidentally killed Shannon (I, 2.06-“Abandoned”). Killed by Michael (I, 2.20-“Two for the Road”). Christian Shephard’s bodyguard in Australia (FB, 2.20). Took money from Hugo to help Desmond, Kate, and Sayid from custody (FS, 6.16-“What They Died For”).

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Ancient Dagger
Weapon given to Sayid by Dogen to kill the Man-In-Black (I, 6.06-“Sundown”)

“…And Found”
Sun and Jin’s life prior to meeting one another is revealed (FB). Sun searches frantically for her wedding ring, while across the Island, Jin and Eko search for Michael, who ran off to find Walt (I, 2.05).

Anthony Cooper
Locke’s real father, the real Sawyer who was responsible for James Ford’s parents’ deaths (FB, 3.19-“The Brig”). Known aliases are Adam Seward, (FB). Killed by James on the Black Rock (I, 3.19-“The Brig”). Comatose and in a wheelchair due to a plane crash where his son John was the pilot (FS, 6.14-“The Candidate”)

Apple II Computer
The computer used to enter the numbers in the Swan station that Radzinsky, Kelvin, Desmond, and eventually used (2.01-“Man of Science, Man of Faith” through 2.23-“Live Together, Die Alone”).

Arrow, The
DHARMA station used to create defensive strategies against the hostiles (I, 5.01-“Because You Left”). Found and used by the Tailles (FBI, 2.07-“The Other 48 Days”). 

“Artz & Crafts”
A Missing Pieces mobisode. Arzt speaks with Hurley, Michael, and Jin about moving to the caves (MP 1.07)

Ava
Criminal caught by Detective James Ford (FS). (6.08-“Recon”)

Avellino, Mr.
Killed by Sayid (FF, 4.03-“The Economist”). His family paid Ilana to bring Sayid to Guam (FB, 5.10-“He’s Our You”).

Balloon
A hot air balloon was how Henry Gale came to the Island (I, 2.14-“One of Them”).

Barracks, the
Compound built by and used by the DHARMA Initiative. Used by the Others after the Purge (first seen in 3.01-“A Tale of Two Cities”).

Beechcraft
Drug smuggler’s plane containing Yemi, smugglers, and Virgin Mary statues filled with Heroin (FB, 2.10-“The 23rd Psalm”). Discovered on the Island by Boone and Locke (I, 1.19-“Deus Ex Machina”).

Bea Klugh
Other who instructed Michael on what he had to do to get Walt back (2.22-“Three Minutes”). Killed by Mikhail, per own instructions (3.11-“Enter 77”).

“Because You Left”
In 1977, Pierre Chang is interrupted while filming the Arrow Orientation Video, due to the Orchid drilling team hitting a pocket of energy (I). In 2001, 2002, 2007, the survivors try to understand why their time–traveling. Daniel Faraday gives a message to Desmond in the past for Desmond in current time to receive (I). Ben and Jack begin their quest to re – unite the Oceanic Six and get them back to the Island (PO6, 5.01).

“The Beginning of the End”
Hurley is back at Santa Rosa Mental Health Institute and is visited by the recently deceased Charlie and tries to convince Jack that they have to go back to the Island (FF). The castaways assess the events of Charlie turning off the jamming signal and choose sides. Daniel Faraday lands on the Island (I, 4.01).

Benjamin Linus
Captured by Danielle in one of her traps and brought to the Swan as the castaways’ prisoner, claimed he was Henry Gale, from Minnesota (I, 2.14-“One of Them”). Revealed as leader of the Others (I, 2.24, “Live Together, Die Alone, Part 2”). Tried to keep Locke from usurping his power, as well as tried to keep Jack and the other castaways from leaving the Island (I, throughout Season 3). Was brought to the Island by his father, responsible for the Purge (FB, 3.20-“The Man Behind the Curtain”). Recruited Sayid to assassinate a group of men in order to keep the Oceanic Six and the left-behinders safe (FF, 4.03-“The Economist”). Through coercion by the Man in Black, killed Jacob (I, 5.17-“The Incident, Part 2”). Killed Charles Widmore (I, 6.16-“What They Died For”). European history teacher (FS, 6.07-“Dr. Linus).

Ben’s Bookshelf
There are plenty of works relevant to the themes of Lost on Ben’s bookshelf. Also hides a secret room (I, 4.03-“The Economist”)

Bernard Nadler
Rose’s husband, was in the bathroom when Oceanic 815 crashed (FB, 1.01-Pilot, part 1″). One of the Taillies (FBI, 2.07-“The Other 48 Days”). Along with Jin and Sayid, tried to kill all of the Others who were coming to take the pregnant women (3.22-“Through the Looking Glass, Part 1”). Last seen with Rose living happily on the Island in 1977, the couple wanted nothing to do with the adventures of the castaways anymore (5.14-“The Incident, Part 1”). After Locke and his father’s plane accident, he performed some of their dental work (FS, 6.14-“The Candidate”).

Black Rock, The
A slave ship captained by Magnus Hanso that crashed into the statue of Tewerat (FBI, 6.08-“Ab Aeterno”). The ship contained plenty of dynamite that the castaways used some of to blow up the Hatch door (I, 1.21-“Exodus, Part 1”)

Blast Door Map
Map in the Swan station, created by Radzinsky, who would create lockdowns in order to finish the map (I, 2.17-“Lockdown,” 2.23-“Live Together, Die Alone”).

Bonnie
Along with Greta, one of the Others guarding the Looking Glass station (I, 3.20-“Greatest Hits”). Killed by Mikhail (I, 3.21-“Through the Looking Glass, Part 1”). 

Boone Carlyle
Crash survivor, step-brother of Shannon (I, 1.01-“Pilot, Part 1″). Locke’s apprentice, died from injuries sustained when the Beechcraft fell with him inside (I, 1.20-” Do No Harm”). 

“Born to Run”
Kate, posing as Joan Hart, tries to see her mother at the hospital, also reconnects with childhood friend Tom as they open their time capsule (FB). Arzt explains that Michael, Walt, Jin, and Sawyer, that due to monsoon season, they needed to leave on the raft one day earlier. Sayid brings Jack to the Hatch. Kate tries to con her way onto the raft and Sun poisons Jin to try and prevent him from leaving (but only Kate knows the truth) (I, 1.22)

Bram
A supposed associate of Jacob’s, Bram tried to recruit Miles to work for him instead of going on the Kahana (FB, 5.13-“Some Like it Hoth”). Bram accompanies Ilana and several others to Jacob’s Cabin and proceeds to burn it down before continuing to statue of Taweret to find ‘Richardus’ (I, 5.16-“The Incident, Part 1”). When the Smoke Monster assaulted the temple, Bram tried to protect himself by placing himself in an ash circle, but the monster found his way around it, and killed Bram (I, 6.01-“LA X, Part 1”)

Brian Porter
Susan Lloyd’s boss and eventual lover. Alerted Michael to Susan’s death and gave custody of Walt back to him (FB, 1.14-“Special”)

“The Brig”
Locke is shocked to see his father, Anthony Cooper on the Island. Ben demands that Locke kill Anthony Cooper in order to join the Others. Not being able to carry out this task, Richard hands Locke a file that explains why Sawyer would want to kill Anthony Cooper (FBI). Locke  brings Sawyer to the Black Rock and locks him in the brig with Cooper. Sawyer eventually realizes that Anthony Cooper is indeed the conman who is responsible for conning his father, who killed his mother and then himself. Sawyer kills Cooper by choking him out with a chain. Locke takes the body and gives Sawyer a tape, explaining Juliet is still working for Ben (I). Meanwhile, Hurley, Sayid, Desmond, and Charlie try to keep Naomi’s arrival a secret from Jack, who they’re no longer sure can be trusted (I, 3.19).

“Buried Secrets”
A Missing Pieces mobisode. Sun buries the drivers license she would have used in LA. Michael runs by looking for Vincent, the two almost kiss, before Vincent comes by, barking (MP, 1.08)

”Cabin Fever”
John Locke is born to teen mother Emily. At five–years–old, he is visited by Richard Alpert and given a test in which he fails. In high school, Mittelos Laboratories tries to recruit Locke to their science program. Locke is advised by Matthew Abaddon to go on an Australian Walkabout (FB). John meets a dead Horace in the woods while looking for Jacob’s Cabin. He, Hurley, and Ben eventually find the Cabin and Christian Shephard instructs Locke to move the Island (I). Keamy readies his team of mercenaries to go back to the Island to assault the Orchid Station. (I, 4.13)

Caesar
Passenger on Ajira Airlines Flight 316 (PO6, 5.06-“316”). Tried to lead the survivors of the 316 crash, he explored Hydra Island and was killed by Ben with his own shotgun a (I, 5.12-“Dead is Dead”)

“The Candidate”
Jack continues to try and convince John Locke that he is a prime candidate for an operation to repair his spine (FS). The Man–In–Black convinces Jack, Sawyer, Kate, Hurley, Jin, Sun, and Lapidus that they can leave the Island via the submarine. The MIB switches packs with Jack, and Jack unknowingly brings C4 aboard the vessel which explodes killing Sayid, Jin, and Sun (I, 6.14).

Cassidy Phillips
Divorce who was the victim of a con by James Ford (FB, 2.13-“The Long Con”). Met Kate and told her she was pregnant with Sawyer’s kid. Helped Kate see her mother. (FB, 3.15-“Left Behind”). Pressed charges on Sawyer and got him convicted and sent to prison, while in prison, she visited Sawyer and showed him a picture of Clementine, their daughter (FB, 3.04-“Every Man for Himself”). Reconnected with Kate, when she went to deliver an envelope full of cash on Sawyer’s behalf (FB, 5.11-“Whatever Happened, Happened”)

“Catch-22”
Desmond leaves Ruth for Eddington Monastery and is eventually thrown out for drinking. He meets Penelope Widmore for the first time (FB). Desmond has another flash of Charlie dying, only this time his death would mean Penny coming to the Island via parachute. Desmond convinces Charlie, Hurley, and Jin to come on a trip to fulfill that vision, but Desmond saves Charlie at the last minute. Instead of Penny, a woman named Naomi lands on the Island instead (I, 3.17).

Charlie Pace
Rock star and recovering heroin addict, survivor of Oceanic 815 and love interest of Claire. Songwriter for Drive Shaft (I, 1.01-“Pilot, Part 1”). Left hanging in a tree by Ethan Rom (I, 1.11-“All the Best Cowboys Have Daddy Issues”). Killed Ethan (I, 1.15–“Homecoming”). Helped Sawyer complete his con in getting all of the guns, in order to make Locke feel like a fool (I, 2.13-“The Long Con”). Helped Eko break into the Swan to stop Locke and Desmond from not pushing the button, later that night, he and Claire kiss (I, 2.23 and 2.24-“Live Together, Die Alone, Parts 1 and 2”). Volunteered to go to the Looking Glass Station and turn off the jamming signal (I, 3.21-“Greatest Hits”). Sacrificed himself to save Desmond and alert the castaways that the boat that was coming was ‘Not Penny’s Boat’ (I, 3.23-“Through the Looking Glass, Part 2”). Helped Desmond let go and learn of his Island experience (FS, 6.11-“Happily Ever After”)

Charles Widmore
Former leader of the Others, banished by Ben for having an affair with a woman off–Island (FB, 5.12-“Dead is Dead”). Father of Penny Widmore and Daniel Faraday. After being banished, Widmore spent the rest of his life, and a wealth of resources trying to get back to the Island. Killed by Benjamin Linus (I, 6.16-“What They Died For”).

Charlotte Malkin
Daughter of Richard and Joyce Malkin who drowned to death and was resurrected (FB, 2.21-“?”)

Charlotte Staples Lewis
Recruited as a member of the Kahana science team (FB, 4.02-“Confirmed Dead”). Arrived on the Island and was held captive by Locke’s crew but traded for Miles, thanks to Sayid (I, 4.04-“The Economist”). Fluent in Korean (I, 4.10-“Something Nice Back Home”). Died to temporal displacement during the time flashes (I, 5.05-“This Place is Death). Friend of Detective Miles Straume, was set up on a date with Detective James Ford (FS, 6.08-“Recon”)  

Christian Shephard
Father of Jack Shephard and Claire Littleton. Died in Sydney, Australia (FB, 1.05-“White Rabbit”). Appeared at various points on the Island, although he was being impersonated by the Man–In–Black. 

Cindy Chandler
Flight attendant aboard Oceanic 815 (FB, 1.01-“Pilot, Part 1). One of the Tailes abducted by the Others (I, 2.06-“Abandoned”). One of the Others that sided with the Man–In–Black (I, 6.06-“Sundown”)

Claire Littleton
Pregnant survivor of Oceanic 815, love interest of Charlie. Mother to Aaron and half-sister of Jack Shephard. Prior to the crash, she wanted to give her unborn baby away (FB, 1.10-“Raised by Another”). Kidnapped by the Others (FBI, 2.15-“Maternity Leave”). With Kate’s help, she gives birth to Aaron on the Island (I, 1.20-“Do No Harm”). Left behind when the Oceanic Six left the Island, it is unclear what happened to her while she was on the Island alone for three years, although she told Jin that she was taken to the temple (I, 6.05-“Lighthouse). Now, she’s aligned with the Man–In–Black.

Claudia
The birth mother of Jacob and the Man-In-Black. She had only known she was pregnant with Jacob and therefore had no name for the baby-in-black. She was killed by the woman who both boys would come to call mother. Appeared to the boy-in-black and told him the truth about the boys’ ‘Mother’ (FBI, 6.13-“Across the Sea”).

Clementine Phillips
Sawyer and Cassidy’s child (FB, 3.04-“Every Man For Himself”). First seen in (FB, 5.11-“Whatever Happened, Happened”).

Colleen Pickett
Wife of Danny Pickett.  One of the Others who raided the Elizabeth and was subsaquentally shot by Sun (I, 3.03-“The Glass Ballerina”).  Jack tried to save her and failed (I, 3.04-“Every Man For Himself”)

“Collision”
Officer Ana-Lucia Cortez stalks and kills the man who shot her, killing her unborn baby (FB). After accidentally killing Shannon, Ana-Lucia takes Sayid hostage and makes a deal with Michael to get her supplies from the Hatch so she can live alone in the jungle. Mr. Eko takes an injured Sawyer and goes looking for Jack. Bernard and Rose are reunited as the remaining Tailies meets the Losties (I, 2.08). 

“Confidence Man”
Sawyer plans on conning Jessica and her husband but calls deal off when he learns they have a child (FB). Shannon’s asthma inhaler goes missing and everyone points the finger at Sawyer, but he didn’t take it. Sawyer and Kate grow a little closer when James let’s her read his letter (I, 1.08).

“Confirmed Dead”
The backstories of the Kahana science team begin to be told (FB). All four individuals arrive on the Island (I, 4.02).

“The Constant”
Frank flies Sayid and Desmond to the Kahana but the helicopter hits turbulence and veers off the desired course, causing Desmond to have ‘flashes,’ where his conscious travels between 1996 and 2004 (I, 4.05). 

“The Cost of Living”
Eko confronts demons from his past and acts as a priest in his brother, Yemi’s church (FB). On the Island, Eko is haunted by Yemi and killed by the Monster (I, 3.05).

Daniel Faraday
Member of the Kahana science team (I, 4.01-“The Beginning of the End”). Shot and killed by his mother while she was pregnant with him in 1977 (I, 5.14-“The Variable”). Musician son of Charles and Eloise Widmore. (FS, 6.11-“Happily Ever After”).
 
Danielle Rousseau
Came to the Island with a science team in 1988 (I, 5.04-“The Little Prince”). Daughter Alex abducted by Ben (FB, 5.12-“Dead is Dead”). Killed along with Karl by the Kahana mercenaries (I, 4.08-“Meet Kevin Johnson”). Invited Dr. Linus over to dinner and let him know that he like a father to Alex (FS, 6.15-“What They Died For”).    

“Dave”
Hurley’s imaginary friend, Dave causes Hurley to commit all kinds of mischief at Santa Rosa until Dr. Brooks gets him to realize that Dave isn’t real. (FB). Sayid and Ana-Lucia return from checking out Henry’s story, leaving him no choice but to admit he is in fact an Other. Dave appears to Hurley on the Island and with Libby’s help, he is able to overcome the hallucination (I, 2.18).

David Shephard
Jack’s son, he is a gifted piano player (FS, 6.06-“The Lighthouse).

“Dead is Dead”
Ben and a young Ethan abduct Alexandra Rousseau. Widmore is banished for having an affair off-island. (FB). Ben heads to the temple to be judged by the monster. Alex appears before Ben and demands that he follows John Locke’s orders explicitly (I, 5.12).

“The Deal”
 A Missing Pieces mobisode. Juliet reminds Michael of the Others agreement to let he and Walt go home if he frees Ben (MP, 1.04)

Decoy Village
Mock village where the Others kept Michael (FBI, 2.22-“Three Minutes”).

Desmond Hume
Consciousness–traveling Desmond pushed the button in the Hatch for 3 years. Works as an associate for Charles Widmore (FS, 5.11-“Happily Ever After).

“Deus Ex Machina”
 Locke meets his conman father, Anthony Cooper, who cons him out of his kidney (FB). Locke and Boone find the Beechcraft, which Boone climbs in and eventually falls. Locke races with him back to Jack, so that he can work on him (I, 1.19)

DHARMA Initiative, the
Stands for Department of Heuristics And Research on Material Applications Initiative. The group came to the Island in the seventies and set up stations and barracks on the Island to conduct various tests in the name of science. (first mentioned: I, 2.01-“Man of Science, Man of Faith). 

DHARMA Orientation Films
A series of orientation films, filmed with Pierre Chang detailing the function of each station (first seen: I, 2.03-“Orientation”).

DHARMA Stations
There are several stations throughout the Island, all serving different purposes. The Swan was the first one the Losties encountered (I, 1.11-“All the Best Cowboys Have Daddy Issues”). The Arrow was first visited by the Tailies (FBI, 2.08-“The Other 48 Days”).

Diane Jansen
Diane Janssen – Kate’s mother. Married to abusive Wayne until his murder by Kate (FB, 2.09-“What Kate Did”). Told Kate that she would call the cops if she ever saw her again (FB, 3.15-“Left Behind”). Diane developed cancer and after the Oceanic Six were rescued, Diane tried to get Kate to let her see Aaron in exchange for not testifying during her trial (FF, 4.04-“Eggtown”).

“D.O.C.”
A woman (Jin’s mother) threatens to reveal Jin is the son of a prostitute unless she is paid $100,000. Sun warns her ‘My husband thinks his mother is dead, don’t make me have to make that a reality,’ (FB). Sun learns that her baby is Jin’s. Meanwhile, Desmond, Charlie, Hurley, Jin, tend to an injured Naomi. (I, 3.18)

Discharge
The electromagnetic energy that caused the implosion of the Hatch and other subsequent incidents (I, 2.24-“Live Together, Die Alone, Part 2;” I, 4.14-“There’s No Place Like Home, Part 3;” I, 5.17-“The Incident, Part 2;”)

Dogen
Leader of the Temple-dwelling Others. (I, 6.02-“LA X, Part 2”). Killed by Sayid on orders of the Man-In-Black (I, 6.06-“Sundown”). Dogen and his son attend David Shephard’s piano recital and noted his talents to Jack (FS, 6.05-“Lighthouse”)

Dogen’s Son
Dogen picked up his 12-year-old son from baseball drunk. He got into an accident and his son was injured and subsequently healed by Jacob on the condition that Dogen come to the Island and protect the Temple (I, 6.06-“Sundown”).

Donald Reynolds
Principal of Washington Tustin High School (FS, 6.07-“Dr. Linus”).

“Do No Harm”
Jack and Sarah get married (FB). Jack works quickly to try and fix the injuries that happened to Boone, even going as far as giving him a blood transfusion from his own blood. Sayid and Shannon have a picnic. Claire gives birth to Aaron as Boone dies from his injuries (I, 1.20)

Don’t tell me what I can’t do
Popular phrase, mostly uttered by Locke (first used: FB, 1.04-“Walkabout”)

Douglas Brooks, Dr.
Psychiatrist at Santa Rosa Mental Health Institute (FB, 2.18-“Dave”). Elizabeth’s psychiatrist (FS, 6.12-“Everybody Loves Hugo”)

Driveshaft
Charlie’s band, their biggest hit was the song, ‘You All Everybody’ (first mentioned: I, 1.01-“Pilot, Part 2”)

“Dr. Linus”
Dr. Linus teaches European history at Washington Tustin High School, his best student is Alex Rousseau (FS) Ilana wants to kill Ben for killing Jacob, but decides not to when he reveals his guilt for allowing Alex to be killed (I, 6.07).

Dynamite – 61
Dynamite was brought to the Island on the Black Rock and has been used several times, most notably, to blow the door off the Hatch (I, 1.24-“Exodus, Part 2”),

“The Economist”
Sayid trades Miles for Charlotte with Locke (I). Sayid kills Mr. Avellino on a golf course. He meets a woman, Elsa in Germany, who tries to kill him. He goes to see Ben Linus to stitch him up and it is revealed the two are working together (FF, 1.03)

“Eggtown”
Kate questions Miles about what the real world remembers of her past and if she’d be able to go home (I). Kate’s trial is underway. The DA, after discussing it over with Kate’s lawyers offer her time – served, plus 10 months probation in state. She accepts the deal and goes home to see her ‘son’ – Aaron (FF, 4.04).

Eko, Mr.
One of the Tailies. Mr. Eko was a guerilla warrior, drug lord, and priest in his native Nigeria (FB, 2.10-“The 23rd Psalm”). Killed by the Smoke Monster (I, 3.05-“The Cost of Living”).

Elizabeth ‘Libby’ Smith
 One of the Tailies (FBI, 2.07-“The Other 48 Days”). On the day her first date with Hurley is supposed to happen, Libby is shot, along with Ana-Lucia by Michael, who lets ‘Henry’ go (I, 2.20-“Two For the Road”). Libby is a patient at Santa Rosa who saw Hugo at Spanish Johnny’s and tried to convince him that they know each other from a separate reality, which he believes when they kiss (FS, 6.12-“Everybody Loves Hugo”).

Eloise ‘Ellie’ Hawking
One of the Others, Daniel Faraday’s mother (PO6, 5.14-“The Variable”). In 1977, while pregnant, she shot and killed her son, Daniel (I, 5.14-“The Variable”). During Desmond’s temporal displacement, Eloise instructed Desmond needs to back to his time and continue to push the button, because that is what he supposed to do (FB, 3.08-“Flashes Before Your Eyes”). Hawking is also present at the Lamp Post where she explains to Ben that he has 70 hours to get the Oceanic Six together and back to the Island (PO6, 5.02-“The Lie”).

Emma
Along with her brother Zach abducted by the Others (FBI, 2.07-“The Other 48 Days”)

“The End, parts 1 & 2”
The finale episodes of the series, the fate of the Man-In-Black, Richard, Ben, and Miles, Jack, Kate, Hurley, and Sawyer will be revealed (6.17 and 6.18).

“Enter 77”
Sayid comes face-to-face with a woman he once tortured (FB). Locke plays chess on the computer in the Flame Station and upon winning the game, and enters 7-7 into the computer, effectively blowing up the station (I, 3.11).

”The Envelope”
 A Missing Pieces mobisode. Amelia questions Juliet about Ben and as she is about to show her his X-Rays, the doorbell rings (MP 1.12)

Ethan Rom
 An Other instructed by Ben to do a reconnaissance mission and act as an 815 crash survivor (FBI, 3.01-“A Tale of Two Cities”). Son of Amy and Horace Goodspeed (I, 5.08-“LaFleur”). He was killed by Charlie (I, 1.15-“Homecoming”). Ethan Goodspeed was the doctor that Kate brought Claire to. He offered to delay childbirth when she thought she going into labor (FS, 6.03-“What Kate Does”).

“Everybody Hates Hugo”
Hurley finds out he won the lottery. (FB). Hurley distributes it as evenly as possible amongst the castaways. (I, 2.04)

“Everybody Loves Hugo”
Hugo Reyes takes Libby on a date, they kiss and he begins to remember events on the Island. After Desmond awakens Hugo’s consciousness, he tries to do the same for Locke, by nailing him with his car (FS). Hurley, Jack, Frank, and Sun decide to go talk to the Man-In-Black. (I, 5.12).

 “Every Man for Himself”
Sawyer learns he has a daughter, Clementine, with Cassidy Phillips (FB). Ben reveals to Sawyer that they are on a different Island and that there is nowhere to run (I, 3.04)

“Exodus, parts 1 & 2”
 We see all of the Oceanic 815 crash survivors on the day of the flight (FB). With the Others coming, Locke and Jack believe hiding everyone in the Hatch is the best plan, and they blow the doors off the station. The Others kidnap Walt off the raft (I, 1.23 and 1.24-“Exodus, Parts 1 and 2”).

“Expose”
Nikki and Paulo’s few days before the crash and days on the Island are revealed (FB, FBI). The other castaways try to figure out what could have killed them, and Sun learns it was actually Sawyer who orchestrated her attack. (I, 3.14)

“Fire + Water”
Charlie tries to save his brother Liam from drugs (FB). Eko agrees to baptize Claire and Aaron (I, 2.12)

Five Seconds
The story Jack told Kate while she was stitching him up their first day on the Island involved a surgery Jack botched, but then he decided to let his fears in for just 5 seconds before fixing his mistake and finishing the operation (I, 1.01-“Pilot, Part 1”).

Flame, the
In 1977, Radzinksy worked in the Flame Station (I, 5.09-“Namaste”). After the Purge, the Others commandeered the station and Ben had installed Mikhail at the station. The communication system was destroyed by Locke (I, 3.11-“Enter 77”).

Flaming Arrow Attack
In 1954, the Others attacked the survivors while they were skipping though time. Neil ‘Frogurt’ was killed during this attack (I, 5.02-“The Lie”).

“Flashes Before Your Eyes”
After he turned the fail-safe key, Desmond’s mind traveled back to 1996. Ms. Hawking explains course-correction to Desmond (FB). Desmond explains to Charlie that he keeps having flashes of Charlie’s death (I, 3.08)

“Follow the Leader”
 In 1977, Jack, Sayid, Richard, and Eloise head to Jughead to get it ready to blow up the Swan. In 2007, Locke leads his people to the Temple to meet with Jacob (I, 5.15).

Frank Lapidus
Airline pilot originally scheduled to fly 815, but he overslept (FB, 4.02-“Confirmed Dead”). Flew Ajira Airlines 316 (PO6, 5.06-“316”). Was onboard Widmore’s submarine, but survived. (I, 6.14-“The Candidate”).

Freighter Helicopters
The Kahana had at least two choppers one that took Naomi to the Island (only heard: I, 3.17-“Catch-22”). The second took the science team and the mercenary team to the Island. Also flew the Oceanic Six and Desmond off the Island. Crashed into the ocean when it ran out of fuel (I, 4.13-“There’s No Place Like Home, Part 2”)

Freighter Mercenaries
The Kahana mercenary team were hired by Charles Widmore to capture Benjamin Linus. Their leader, Martin Keamy shot and killed Alex (I, 4.09-“The Shape of Things to Come”). When their first mission to apprehend Linus failed, the team then began its secondary protocol to torch the Island. They failed thanks to the combined efforts of the Others, Kate and Sayid. Keamy was personally stabbed to death by Ben (I, 4.13-“There’s No Place Like Home, Part 2”)

French Transmission
The distress signal recorded by Danielle that had played on a loop for 16 years (I, 1.01-“Pilot, Part 1”).

Frozen Wheel
At the bottom of the Orchid, a large wheel was constructed in order to release electromagnetic energy and move the Island (I, 4.14-“There’s No Place Like Home, Part 3”), Originally built by the Man-in-Black (FBI, 6.15-“Across the Sea”).

“Further Instructions”
Locke is working and living at a commune in Humboldt County, California. Eddie is actually an undercover police officer who has been investigating the marijuana–commune for the past six weeks. Locke takes Eddie into the woods to kill him, but can’t pull the trigger, allowing Eddie to walk away (FB). After some time in a sweat lodge, Locke realizes that he has to save Mr. Eko. (I, 2.03)

Galaga, the
Submarine used by the DHARMA Initiative and commandeered by the Others (first seen: I, 3.13-“The Man From Tallahassee”).

Gault, Captain
 Captain of the doomed vessel, the Kahana; killed by Martin Keamy (first seen: I, 4.07-“Ji Yeon”).

George Minkowski
Communications officer on the Kahana; died due to temporal displacement disorder (I, 4.05-“The Constant”).

“The Glass Ballerina”
Jin beats Jae Lee to a bloody stump, but can’t kill him (FB). The Others commandeer the Elizabeth, Sun shoots Colleen Pickett (I, 3.03).

Good Vibrations
The code on the Looking Glass station is set to this Beach Boys song (I, 3.23-“Through the Looking Glass”).

Goodwin Stanhope
An Other who infiltrated the Tailies, killed by Ana-Lucia (first mentioned: I, 2.05-“…And Found”).

“The Greater Good”
FBI Agents make a deal with Sayid – if he infiltrates a terrorist cell, they’ll tell him where Nadia lives (FB). The Losties bury Boone (I, 1.21)

“Greatest Hits”
Jack explains his plan to finally get everyone off the Island (I). Charlie recounts the top five moments of his life (FB, 3.21)

Greta
One of the Others guarding the Looking Glass station (I, 3.21-“Greatest Hits”)

“Happily Ever After”
Desmond is ‘the package’ that Widmore brought to the Island. Sayid brings him to the Man–In–Black’s camp (I). Charlie awakens Desmond’s consciousness to the Island timeline (FS, 6.11)

Hatch, the
Locke and Boone found a mysterious Hatch while exploring the Island,  revealed to be the Swan Station (first seen: I, 1.11-“All the Best Cowboys Have Daddy Issues”)

“Hearts and Minds”
Boone’s affections for Shannon are revealed (FB). Locke, after drugging Boone, encourages him to ‘let go.’ (I, 1.13)

Helen Norwood
John Locke’s girlfriend. She leaves him when he won’t stop trying to talk to his father. Died of a brain aneurysm (first seen: FB, 2.03-“Orientation”). John’s fiancé (FS, 6.04-“The Substitute”)

Henry Gale
The real Henry Gale reportedly came to the Island in his balloon and at some point died of a broken neck. Ben would assume his identity (first seen: I, 2.17-“Lockdown”)

“He’s Our You”
Sayid is taken prisoner by Ilana for killing Peter Avellino (FB). In 1977, Sayid shoots a young Ben Linus (I, 5.10)

Hoffs/Drawer Funeral Home
The funeral home that Jeremy Bentham’s body was awaiting burial at. An acronym for ‘flash-forward’ (first seen: FF, 3.23-“Through the Looking Glass, Part 2)

“Homecoming”
Charlie tries to kick heroin and live a normal life (FB). Claire has amnesia about her time spent with the Others and Charlie kills Ethan (I, 1.15).

Horace Goodspeed
Leader of the DHARMA Initiative on the Island, father of Ethan Rom (first seen: FB, 3.20-“The Man Behind the Curtain”).

Hostiles, the
One of the many names for the Others, the DHARMA Initiative and the Hostiles had a truce on the Island.

“House of the Rising Sun”
Sun is planning to leave Jin at the airport an escape the United States (FB). Jin believes Michael stole his watch and Sun reveals to Michael she can speak English (I, 1.06)

Howard L. Zuckerman
The creator of the series Expose (FB, 3.14-“Expose”)

Hugo ‘Hurley’ Reyes
Lottery winning, heart of the castaways (first seen: I, 1.01-“Pilot, Part 1”)

“The Hunting Party”
Sarah is leaving Jack (FB). The Others warn the castaways not to cross their boundaries (I, 2.11)

Hydra Island
Smaller Island not far off the main one. Where the Others worked and kept Jack, Kate, and Sawyer prisoner (first seen: I, 3.01-“A Tale of Two Cities”)

“I Do”
 Kate drugs her would-be future husband and runs off again (FB). Jack begins the surgery on Ben to remove his tumor (I, 3.06).

I Got You (I Feel Good) 
The James Brown song that Hurley sings to Aaron to try and get him to stop crying but it didn’t work (I, 1.21-“The Greater Good”)

I Never
 Kate and Sawyer play the popular drinking game (I, 1.16-“Outlaws”).

Ilana Verdansky 
Associate of Jacob and survivor of Ajira 316 (FB, 5.16-“The Incident, Part 1”). Ilana was killed when she mishandled dynamite (I, 6.12-“Everybody Loves Hugo”). Lawyer at Sweetzer and Verdansky in LA and a friend of Desmond’s (FS, 6.14-“The Candidate”).

“The Incident, parts 1 & 2”
 Jacob and the Man-In-Black are revealed, as is Jacob’s connections to the Oceanic Six (FB). In 1977,  Juliet detonates the Jughead bomb. In 2007, The Man-In-Black has Ben kill Jacob (I, 5.16 and 5.17).

“…In Translation” 
Jin begins to work for Mr. Paik (FB). Sun is forces to reveal she speaks English (I, 1.17).

Iraqi Republican Guard
Sayid served as a communications officer for the IRG.

Isabel
According to Tom, she is the sheriff of the Others (I, 3.09-“Stanger in a Strange Land”).

Isabella
 Richard’s wife, she died of tuberculosis. (FB, 6.09-“Ab Aeterno”)

Ishmael Bakhir
 According to Ben, Bakhir was an employee of Widmore’s who killed Nadia, Sayid’s love. Sayid killed him in an act of revenge (FB, 4.09-“The Shape of Things to Come”).

Itsy-Bisty Spider
 Classic song sung by Charlie to Aaron (I, 1.21-“The Greater Good”).

It’s Getting Better
 Mama Cass Elliot song haunted Michael after he left the Island (FB, 4.08-“Meet Kevin Johnson”).

Jack Shephard
Defacto leader of the castaways and eventual protector of the Island (first seen: I, 1.01-“Pilot, Part 1”)

Jacob
Protector of the Island and brother of the Man–In–Black (first seen: FB, 5.16-“The Incident, Part 1”)

“Jack Meet Ethan, Ethan? Jack”
 Jack and Ethan meet for the first time, Ethan brings Jack a case of medicine (MP 1.10)

James Ford
Confidence man crash survivor (first seen: I, 1.01-“Pilot, Part 1”)

Jeremy Bentham
An alias Locke had used when he left the Island to try and recruit the Oceanic Six back to the Island (FB, 5.07-“The Life and Death of Jeremy Bentham”).

“Jin Has a Temper Tantrum on the Golf Course”
Jin misses a putt on the golf course and feels alone (MP, 1.11).

Jin-Soo Kwon
Korean speaking husband of Sun, died on Widmore’s submarine trying to save Sun (first seen: I, 1.01-“Pilot, Part 1”)

Jin’s Watch
A watch Jin was supposed to deliver to Mr. Paik’s associate in L.A. Gave to Michael as a token of friendship (first seen: I, 1.06-“House of the Rising Sun”).

Ji Yeon
Jin and Sun’s daughter, born off-Island (first seen: FF, 4.07-“Ji Yeon”)

“Ji Yeon”
Jin has to buy a Panda for an Ambassador (FB). Ben’s spy on the boat is revealed to be Michael (I). Sun gives birth to Ji Yeon and it is revealed that the world thinks Jin is dead (FF, 4.07).

John Locke
A paraplegic when 815 crashed, Locke could miraculously walk. He was killed by Ben (first seen: I, 1.01-“Pilot, Part 1”)

Jughead
A hydrogen bomb that Faraday convinced the Others to bury (I, 5.03-“Jughead”)

“Jughead”
In 1954, Locke explains to Richard his future (I). Desmond and Penny’s son Charlie is born (FB). Desmond searches for Eloise Hawking, Daniel Faraday’s mother (PO6, 5.03)

Juliet Burke
The Others fertility doctor and eventual love interest of Sawyer. Died by detonating Jughead (first seen: I, 3.01-“A Tale of Two Cities”)

Kahana, the
Widmore’s freighter, Captained by Gault that came to the Island (first seen: I, 4.05-“The Constant”).

Kate Austen
Fugitive, wanted for killing her father (first seen: I, 1.01-“Pilot, Part 1”). 

Kevin Callis
Kate’s fiancé (he thinks her name is Monica). Kate drugs him and runs off (FB, 1.06-“I Do”).

Kevin Johnson
Michael’s alias aboard the Kahana (I, 4.07-“Ji Yeon”)

Kelvin Inman
Connected to both Sam Austen and Sayid, Kelvin Inman pushed the button prior to Desmond’s arrival on the Island. Accidentally killed by Desmond (first seen: FB, 2.14-“One of Them”) 

”La Fleur”
”La Fleur” – The flashes stop and strand the castaways in 1974, where Sawyer cons their way into the DHARMA Initiative Life is good for three years, until Jack, Kate, and Hurley arrive (FF, 5.08).

Lamp Post, the
An off-Island DHARMA Station, used for finding pockets of electromagnetic energy that could connect to the Island (first seen: PO6, 5.02-“The Lie”).

“The Last Recruit”
Jack journey to becoming a man of faith is complete when he vows to stay on the Island (I). Jack performs surgery on Locke (FS, 6.13).

“LA X, parts 1 & 2”
The aftermath of the hydrogen bomb detonation is revealed. The castaways head to the Temple (I). Oceanic 815 lands safely at LAX (FS, 6.01 and 6.02).

“Left Behind”
Cassidy cons Edward Mars, helping Kate see her mother (FB). Kate and Juliet are handcuffed together and Sawyer fears he will be banished from the beach camp. (I, 3.15).

Lennon
Dogen’s right-hand man. Killed by Sayid (first seen: I, 1.01-“LA X, Part 2”)

Loenard Simms
Patient at Santa Rosa Mental Health Institute. Constantly repeated the numbers (first seen: FB, 1.18-“Numbers”)

Leslie Arzt
Science teacher, blew himself up by mishandling dynamite (first seen: I, 1.22-“Born to Run”). Colleague of Dr. Linus’ (FS, 6.07-“Dr. Linus”).

“The Lie”
The Oceanic Six get their story straight before leaving the Searcher (FB). The castaways are attacked by flaming arrows in 1954 (I, 5.02).

“The Life and Death of Jeremy Benthan”
John Locke moves the wheel and leaves the Island to try and bring the Oceanic Six back before being killed by Ben (FB). The Ajira 316 survivors get to know ‘John Locke’ (I, 5.07).

Lighthouse, the
Jacobs lighthouse has the power to view important locations (I, 6.05-“Lighthouse”).

“Lighthouse”
Jacob instructs Hurley to bring Jack to the Lighthouse (I). Jack and his son David try to have a decent relationship (FS, 6.05).

“The Little Prince”
 In 1988, Rousseau’s science team comes to the Island (I). Kate wants to take Aaron as her own son (FB). Kate is fearful that it was Claire’s mother Carole who ordered the DNA test on Aaron (PO6, 5.04).

“Live Together, Die Alone, parts 1 & 2”
Desmond’s history on the Island is revealed (FB). Locke and Desmond wish to find out what happens when you don’t push the button. Jack, Kate, Sawyer, and Hurley are taken by the Others (I, 2.23 & 2.24).

“Lockdown”
Anthony Cooper fakes his own death (FB). Henry Gale’s status as an Other is revealed (I, 2.17)

“The Long Con”
Sawyer teaches Cassidy how to con (FB). Sawyer, with Charlie’s help conspires to get all of the guns (I, 2.13)

Looking Glass, the
The underwater DHARMA Station, used by the Others for jamming communications (first seen: I, 3.21-“Greatest Hits”).

Losties
Fan term for not only what they refer to themselves, but for the castways as well (ie – Jack and Kate are Losties, Bernard is a Tailie).

Man-in-Black, the
 Jacob’s brother, the Smoke Monster. Now impersonating John Locke (first seen in his true form: FB, 5.16-“The Incident, Part 1”).

“The Man Behind the Curtain”
 Ben’s early days on the Island and the Purge are shown (FB). Locke demands to be taken to see Jacob. Kate, Sawyer, and Sayid question Juliet’s motives (I, 3.20)

“The Man From Tallahassee”

 Anthony Cooper throws his son John Locke out an eight floor window, paralyzing him (FB). Sayid and Kate raid the Barracks in search of Jack, while Locke blows up the submarine (I, 3.13)

“Man of Science, Man of Faith”

Jack successfully operates on Sarah (FB). Jack, Kate, and Locke inspect the Hatch (I, 2.01)

Martin Keamy

 Leader of Widmore’s Kahana mercenaries team, killed Alex Rousseau. Ben stabbed him in retaliation (first seen: I, 4.05-“The Constant”). An associate of Mr. Paik (first seen: FS, 6.06-“The Package”).

“Maternity Leave”

Claire remembers what happened to her during her time with Ethan (FB). Kate, Claire, and Rousseau head to the Staff to get medical supplies for Aaron (I, 2.15).

Matthew Abaddon

An associate of Widmore’s, recruited the Kahana science team and helped John locate the Oceanic Six (first seen: FF, 4.01-“The Beginning of the End”).

“Meet Kevin Johnson”
 Michael explains to Sayid and Desmond what happened to him after he left the Island (FB). Danielle and Karl are killed and Alex is taken hostage on their way to the Temple (I, 4.08)

Michael Dawson

 Artist and architect and Walt Lloyd’s father. Killed in the Kahana explosion (first seen: I, 1.01-“Pilot, Part 1”).?Middle Section
 The middle section of Oceanic 815 is the section that broke off on the beach and contained the most amount of survivors (first seen: I, 1.01-“Pilot, Part 1”).

Mikhail Bakunin

Other in charge of the Flame Station. Killed himself by tossing a grenade into the Looking Glass (first seen: I, 3.05-“The Cost of Living”). An associate of Martin Keamy’s (FS, 6.06-“The Package”).

Miles Straume

Member of the Kahana crew who can talk to the dead (first seen: I, 4.02-“Confirmed Dead”). Detective Straume is partnered with Detective James Ford (FS, 6.08-“Recon”).

The Monster

One of the many names for the Man–In–Black.

“The Moth”

Driveshaft is having problems as lead singer Liam Pace deals with heroin addiction (FB). Charlie is going through withdrawals, the cave caves in on Jack, and Sayid has a plan to find the source of the French signal (I, 1.07).

Mother

The woman who raised both Jacob and the Man–In–Black, and killed their birth mother (FBI, 6.15-“Across the Sea”). 

“Namaste” 
In 1977, Jack, Kate, and Hurley join the DHARMA Initiative. Sayid is captured as a hostile. In 2007, the remaining Ajira survivors assess their situation (I, 5.09).

Naomi Dorritt
Member of the Kahana crew who parachuted onto the Island (I, 3.17-“Catch-22”). Died from injuries sustained by knife wound, courtesy of Locke (I, 4.01-“The Beginning of the End”).

Neil ‘Frogurt’
Castaway who argued with Hurley about his chances with Libby (I, MP, 1.02-“The Adventures of Hurley and Frogurt”). Died during the flaming arrow attack of 1954 (I, 5.02-“The Lie”).

Nikki Fernandez
Guest star of the TV show Expose, was paralyzed by the bite of a medusa spider and died by being buried alive (FB, I, 3.14-“Expose”).

Noor “Nadia” Abed Jazeem
Sayid’s childhood friend and longtime love. Died as the victim of a hit and run in Los Angeles (first seen: FB, 1.09-“Solitary”). Sayid’s sister-in-law (first seen: FS, 6.06-“Sundown”).

“Not in Portland”
 
How Juliet came to Island is revealed (FB). With Juliet and Alex’s help, Kate, Sawyer, and Karl escape Hydra Island (I, 3.07).

Not Penny’s boat
Charlie’s last words that he wrote on his hand to warn Desmond (I, 3.23-“Through the Looking Glass, Part 2”).

Numbers, the
 
The numbers Hurley used to win the lottery, 4-8-15-16-23-42, pop up everywhere on the show, most notably there imprinted on the door of the Swan and have to be inputted into the station’s computer every 108 minutes.

“Numbers”
Hurley wins the lottery and he believes his life has been cursed because of it, and tries to seek out the source of the numbers he used (FB).  Locke builds a crib for Claire as a birthday present. Hurley looks for Rousseau to find out the source of the numbers on the Island (I, 1.18).

108
The numbers have to be inputted into the computer every 108 minutes, Not coincidentally, the numbers add up to 108 (I, 2.03-“Orientation”)

Oceanic 815
 The flight that crash landed on the Island (FB, 1.01-“Pilot, Part 1). Oceanic 815 is a flight that lands safely at LAX (FS, 6.01 and 6.02-“LA X, Parts 1 and 2”).

Oceanic Six, the
The name the media gives to the six castaways rescued from Oceanic 815 – Jack, Kate, Hurley, Sayid, Sun, and Aaron (term first used: FF, 4.01-“The Beginning of the End”).

Oldham
DHARMA’s interrogator used drugs to question Sayid about his true identity (I, 5.10-“He’s Our You”).

“One of Them”
Sayid is taught how to interrogate someone by Kelvin Inman (FB). Sayid questions Henry Gale about his balloon story (I, 2.14).

“One of Us”
Juliet’s time as the Other’s fertility doctor is shown (FB). As Juliet arrives at the beach, her loyalties are questioned by everyone except Jack because like him, she wants to get off the Island more than anything else in the world (I, 3.16).

“Operation: Sleeper”
Juliet lets Jack know about Ben’s plan for her to find out who is pregnant (MP, 1.05).

Orchid, the
DHARMA Station used for experiments dealing with time and space, the frozen wheel used to move the Island is located deep underneath the station (first seen: I, 4.12-“There’s No Place Like Home, Part 1”).

“Orientation”
John meets Helen Norwood at a support group meeting (FB). Locke and Jack watch the Swan orientation film and decide to start pressing the button (I, 2.03).

“The Other 48 Days”
The Tailies harrowing ordeal of their first month and half on the Island is reveald (FBI, 2.07).

“The Other Woman”
Juliet’s affair with Goodwin is shown (FB). Charlotte and Faraday trek to the Tempest Station to neutralize its gas (I, 4.06).

Others, the
The indigenous people of the Island (first seen: I, 1.24-“Exodus, Part 2”).

“Outlaws”
Sawyer is conned into killing a man (Frank Duckett) who he was told was the Real Sawyer. Sawyer shares a drink with Jack’s dad (FB). Sawyer is haunted by Duckett’s last words. Sayid tries to help Charlie with his feelings about killing a man (I, 1.16).

Outriggers, the
Canoes that can hold up to six people, used for getting to and from Hydra Island (first seen: I, 3.07-“Not in Portland”).

“The Package”
The Man–In–Black announces to Widmore that war is coming and sends Sayid to find out what package Widmore brought with him (I). Jin owes money and a watch to Martin Keamy in the ensuing struggle, Sun is shot (FS, 6.10).

“Par Avion”
 It is revealed that Claire Littleton is Christian Shephard’s daughter, making her and Jack half-siblings (FB). Claire has an idea to catch a gull and attach a message to it in hopes of eventual rescue. Kate, Sayid, Danielle, Locke, and their prisoner Mikhail make their way to the Barracks (I, 3.12).

Paulo
Nikki’s lover and fellow diamond thief (FB). Died due to being paralyzed by a medusa spider bite and then being buried alive (I, 3.14-“Expose”).

Peanut Butter
Charlie and Claire bond over their love of peanut butter, even if it’s only an imaginary jar (first seen: I, 1.08-“Confidence Man”).

Pearl, the
DHARMA Station used for observational and psychological research (first seen: I, 2.21-“?”).

Penelope Widmore-Hume
Charles’ Widmore’s daughter, wife of Desmond Hume, mother of Charlie Hume. Desmond’s constant (first seen: FB, 2.23 and 2.24-“Live Together, Die Alone, Parts 1 and 2). Penny Milton is the daughter of Charles Widmore, she meets his employee, Desmond while she is running a tour-de-stade in Los Angeles (FS, 6.11-“Happily Ever After”).

Pierre Chang
Pierre Chang – DHARMA Initiative astrophysicist and narrator of the DHARMA Station videos. Miles’ father (first seen: I, 2.03-“Orientation”). Employee at the Golden State Natural History Museaum (FS, 6.12-“Everybody Loves Hugo”).

“Pilot, parts 1 & 2”
The epic story begins – the survivors of Oceanic 815 begin to figuratively and literally pick up the pieces (I). We see what Jack, Rose, Kate, and Charlie were doing on the plane moments before it crashed (FB, 1.01 and 1.02).

Polar Bear
Polar bears at some point were kept in the cages of Hydra Island. Sawyer shot and killed one (I, 1.01-“Pilot, Part 1 and 2”).

Pregnancy Problem
Juliet was brought to the Island by the Others to solve the mysterious problem of why pregnant woman die on the Island (first mentioned: FB 3.07-“Not In Portland”).

Purge, the
Ben was responsible for gassing all of the DHARMA Initiative (FB, 3.20-“The Man Behind the Curtain”).

Pylons
Evenly spaced columns that surround the Barracks (first seen: I, 3.12-“Par Avion”).

“?”
Eko, going by the name of Father Tunde, investigates a resurrection (FB). Eko’s faith in the button is hardened, while Locke’s is shattered (I, 2.21).

Quarantine
Stenciled onto the door of the Swan hatch, but no other DHARMA Stations. It is possible that the warning may pertain to the Purge (FB, 3.20-“The Man Behind the Curtain”).

Quarry, the
Location on Hydra Island where Sawyer and Kate were made to break rocks in order to build a runway (first seen: I, 3.02-“The Glass Ballerina”). Ajira Airlines Flight 316 used the runway to make its emergency landing (I, 5.06-“316”).

Rachel Carlson
Juliet’s sister. Diagnosed with cancer but cured by Jacob. Mother of Julien (first seen: FB, 3.07-“Not in Portland”).
 
Radio Tower
 Built by the DHARMA Initiative the castaways journeyed there to get Naomi a clear signal to use her SAT-Phone (I, 3.22-“Throught the Looking Glass, Part 1”).

“Raised by Another”
Claire struggles with either giving her unborn baby away or keeping it (FB). Hurley begins taking a census of the survivors. Ethan kidnaps Claire (I, 1.10).

Randy Nations
Locke’s boss at Hurley’s Box Squared company (first seen: FB, 1.04-“Walkabout”) (FS, 6.04-“The Substitute”).

Ray Mullen
 Australian farmer that Kate (posing as Anne) stayed with while she was on the run (FB, 1.03-“Tabula Rasa”).

“Recon”
The Man–In–Black asks Sawyer to see what he can find on Hydra Island (I). Detective Ford arrests Kate Austen (FS, 6.08)

Regina
Communications officer on the Kahana. Killed herself by wrapping herself in chains and jumping overboard (I, 4.07-“Ji Yeon”).

Richard Alpert
Ageless Other and liaison between the leader of the Others and Jacob (first seen: FB, 3.07-“Not In Portland”).

Richard Malkin
Faux-psychic who convinced Claire to keep her baby (FB, 1.10-“Raised by Another”).

Roger Linus
Ben’s unforgiving father. Was killed by Ben during the Purge (FB, 3.20-“The Man Behind the Curtain”). Cared for by Ben and regrets leaving the Island (FS, 6.07-“Dr. Linus).

Room 23
A room located on Hydra Island, used for brainwashing (I, 3.07-“Not in Portland”).

“Room 23”
The alarm blares from Room 23, Walt is scaring all of the Others. Ben and Juliet argue about this (MP, 1.06).

Rose Henderson
Oceanic 815 crash survivor, wife of Bernard Nadler. The Island cured her cancer (first seen: I, “Pilot, Part 1”). Rose Nadler is a supervisor at a temp agency owned by Hugo Reyes (FS, 6.04-“The Substitute”).

Santa Rosa Mental Health Institute
Hurly, Libby, Emily Locke, and Leonard Simms have been patients here at one time or another (first seen: FB, 1.18-“Numbers”). Libby voluntarily committed herself (FS, 6.12-“Everybody Loves Hugo”).

Sarah Shephard
Jacks ex-wife. Jack miraculously cured her (first seen: FB, 1.20-“Do No Harm”).

Sayid Jarrah
Former member of the Iraqi Republican Guard. Sacrificed himself by getting as far away with C4 from everyone else on Widmore’s submarine (first seen: I, 1.01-“Pilot, Part 1”).

Searcher, the
Penny’s sea vessel that found the Oceanic Six, Desmond, and Frank Lapidus (I, 4.14-“There’s No Place Like Home, Part 3”).

September 22, 2004
The day Oceanic 815 crashed (I, 1.01-“Pilot, Part 1).

Seth Norris
The pilot of Oceanic 815, killed by the Monster (I, 1.01-“Pilot, Part 1”)

Shannon Rutherford
Boone’s asthmatic step-sister, she was accidentally killed by Ana-Lucia (first seen: I, 1.01-“Pilot, Part 1”).

“The Shape of Things to Come”
The Kahana Mercenaries destroy the Barracks and Keamy kills Ben’s daughter Alex (I). Ben recruits Sayid into his employ (FF, 4.09)

“Solitary”
Sayid, now a soldier for the Iraqi Republican Guard, reconnects with his old friend Nadia, who is a suspect in a bombing plot (FB). While mapping the Island, Sayid is taken prisoner by Rousseau. Hurley builds a golf course (I, 1.09)

“Some Like it Hoth”
Miles life before he came aboard the Kahana is told (FB). Hurley is writing the Empire Strikes Back and Miles sees his father, Pierre Chang for the first time and Farady returns from Ann Arbor (I, 5.11).

“Something Nice Back Home”
Jack proposes to Kate who says yes, but his distrust of her and his growing pill and alcohol problem ruin the engagement (FF). Jacks appendix ruptures and Juliet has to operate (I, 4.10)

“S.O.S.”
Bernard brings Rose to a healer in Australia in hopes of curing her cancer (FB). Bernard wants to build a giant SOS sign in hopes of rescue (I, 2.19).

“So it Begins”
Christian instructs Vincent to get Jack up after the crash (MP, 1.13).

“Special”
Susan Lloyd, Walt’s mother, dies and Brian Porter asks Michael to take his son back (FB). Walt ends up in trouble with a polar bear and Michael and Locke move to save him (I, 1.14).

Staff, the
The DHARMA Initiative’s medical station (first seen: FB, 2.15-“Maternity Leave”).

“Stranger in a Strange Land”
Jack spends some time in Thailand and gets a tattoo (FB). Juliet is put on trial for killing Danny Pickett  and Kate and Sawyer arrive back at camp (I, 3.09)

Stuart Radzinsky
Member of the DHARMA Initiative and designer of the Swan (first seen: I, 5.09-“Nasmaste”).

“The Substitute”
The Man–In–Black asks Sawyer to help him get off the Island (I). John Locke become a substitute teacher (FS, 6.04). 

“Sundown”
Sayid kills Dogen and Lennon, allowing the Man–In–Black to enter the Temple, massacring everyone in his path (I). Sayid is forced to commit violent acts to help his brother, Omer (FS, 6.06)

Sun-Hwa Kwon
Wife of Jin-Soo Kwon, secretly learned how to speak English, killed when the submarine sank (first seen: I, 1.01-“Pilot, Part 1”

Swan, the
The first hatch discovered by Locke. Used by the DHARMA Initiative for electromagnetic research (first seen: FB, 2.01-“Man of Science, Man of Faith”).

“Tabula Rasa”
Kate is caught in Australia by Edward Mars (FB). Jack learns that Kate is a fugitive (I, 1.03).

Tailes
The group that survived the tail-section of Oceanic 815 as it crashed into the ocean (FB, 2.07-“The Other 48 Days”).

“Tale of Two Cities, A”
Jack is incensed with the thought that his father slept with Sarah (FB). Jack, Kate, and Sawyer experience their first day as the Others’ prisoners (I, 3.01).

Taweret
The four-toed statue that the Black Rock crashed into and Jacob lived in (first seen: I, 2.24-“Live Together, Die Alone, Part 2).

Tempest, the
DHARMA’s chemical weapon’s research station. Ben released its gases for the Purge (first seen: I, 4.06-“The Other Woman”).

Temple, the
According to Ben, the Temple is the last safe haven on the Island. Ran by Dogen and Lennon until their murder by Sayid. The Temple was destroyed by the Smoke Monster (first seen: I, 6.01-“LA X, Part 2”).

“There’s No Place Like Home, parts 1, 2, and 3”
The Oceanic Six leave the Island as Ben moves the Island (I). The Oceanic Six’s lives are falling apart (FF, 4.12-4.14).

“Three Minutes”
Michael’s time while abducted with the Others is revealed (FB). The castaways bury Libby and Ana-Lucia (I, 2.22).

“This Place is Death”
Jin is reunited with the castaways left behind (I). Sun is about to kill Ben when he tells her Jin is alive (PO6, 5.05).

“Through the Looking Glass, parts 1 and 2”
The castaways head to the radio tower to get a clear signal for Naomi’s SAT-phone (I). Jack tries to convince Kate that they have to go back to the Island (FF, 3.22 and 3.23).

Tom Friendly
The Other that took Walt off the raft (I, 1.24-“Exodus, Part 1”)

“Tricia Tanaka is Dead”
Hurley’s father returns and takes him to a psychic (FB). Hurley finds a van in the woods and enlists Charlie, Jin, and Sawyer to help him repair it, Kate decides to go rescue Jack (I, 3.10)

“Tropical Depression”
Dr. Arzt confesses the woman he went to meet in Sydney disappeared during their first dinner (MP, 1.09).

“The 23rd Psalm”
Eko’s past as a Nigerian guerilla is shown (FB). Eko has Charlie take him to the Beechcraft, where he says goodbye to his brother, Yemi (I, 2.10).

“Two for the Road” – 50
Ana-Lucia’s time as Christian Shephard’s bodyguard is shown (FB). The ultimate betrayal of the show happens when Michael kills Ana-Lucia and Libby to let Henry Gale free in exchange of getting his son back and leaving the Island (I, 2.20).

Ulysses
James Joyce novel that Ben is reading aboard Ajira Flight 316 (PO6, 5.06-“316”)

University of Michigan
School in Ann Arbor, Michigan where Karen DeGroot and Gerald DeGroot were doctoral students who began the DHARMA Initiative in 1970 with money from the Hanso Foundation (seen on the Swan Orientation Film)
 
Unnamed Other – 3
One of the Others that was assaulted by Charles Widmore and caught on tape by Ben, which he in turn showed the footage to Locke (I, 4.06-“The Other Woman”).

Vaccine
 The vaccine has been used several times on series most notably on Claire (FB, 2.15-‘Maternity Leave”). According to Kelvin, it is intended to combat some sort of sickness on the Island and told Desmond he should give himself a shot every couple of days (FB, 2.23-“Live Together, Die Alone, Part 1”).

“The Variable”
In the show’s 100th episode, Daniel Faraday is encouraged by his mother to give up the piano and focus more on his scientific mind (FB). In 1977, Faraday threatens to shoot Richard, and unbeknownst to her, Eloise kills her own son (I, 5.14)

Vincent
Originally Brian Porter’s dog, but when Michael came to pick Walt up he let Walt take the dog (FB, 1.14-“Special”). Walt left Vincent in Shannon’s care to help her grieve for Boone (I, 1.23-“Exodus, Part 1”).

Virgin Mary Statues – 6
Had arrived on the Island, courtesy of the Beechcraft, that drug smugglers crashed onto the Island. Locke saw this event when the Island was moving through time (I, 5.06-“316”). The statues were filled with heroin, which Charlie had hid. Locke would eventually take them and put them in the gun vault of the Swan (I, 2.12-“Fire + Water”). 

Warden Harris
The warden of the prison Sawyer was sent to (FB, 03.04-“Every Man For Himself”)

Walt Lloyd
Michael’s son, seemingly has unique and special abilities (first seen: I, 1.01-“Pilot, Part 1”).

Walkabout
The Australian adventure John Locke yearned to embark on (FB, 1.04-“Walkabout”).

“Walkabout”
John Locke is told he cannot go on the Australian Walkabout due to his paralysis (FB). Locke decides to hunt for boar to feed everyone (I, 1.04).

“The Watch”
 On his wedding day to Sarah, Christian gives his groom-to-be-son, Jack a family heirloom (MP, 1.01).

“Whatever Happened, Happened”
 Kate gives Aaron to his grandmother, lets Carole know she’s going back to the Island to bring Claire home (FB). In 1977, Kate and Sawyer bring a young Ben to the Others so they can save him (I, 5.11).

“Whatever the Case May Be”
Kate robs a bank in New Mexico to retrieve a keepsake from her childhood (FB). Kate and Sawyer find the Marshall’s Halliburton case, still intact with the guns and her keepsake, a toy airplane still inside (I, 1.12)

“What Kate Did”
Kate kills her abusive step-father by setting the house on fire (FB). Walt communicates with Micheal via the Swan computer (I, 2.09)

“What Kate Does”
Kate unsuccessfully tries to bring Sawyer back to the Temple (I). Kate hijacks a cab containing a pregnant Claire Littleton, feeling guilty about putting a pregnant woman through such an ordeal, she accompanies her to a prospective foster parents’ home (FS, 6.03)

“What They Died For”
Jack volunteers to take Jacob’s place as protector of the Island (I). Desmond frees Sayid and Kate from jail and the three along with Hugo are heading to a concert (FS, 6.16)

Whispers
The whispers are on the Island are people who have died who can’t leave.

“White Rabbit”
Jack goes to Australia to retrieve his father’s body (FB). Jack chases his dead father all over the Island, eventually coming to find a water supply for the castaways (I, 1.05)

“The Whole Truth”
Jin and Sun are told that they might not be able to conceive, due to Jin’s infertility (FB). Sun miraculously is pregnant. Sayid, Ana-Lucia, and Charlie trek out to check out Henry’s story (I, 2.16).

Woo-Jung Paik
Sun’s criminally shady father, owner of Paik Heavy Industries (first seen: FB, 1.17-“…In Translation”).

X-Rays
Revealed a tumor on Benjamin Linus’ L4 Vertebrae (I, 3.04-“Every Man For Himself”).

Yemi
Eko’s brother. Yemi was a priest who died in a plane crash on the Island. (FB, 2.10-“The 23rd Psalm). Yemi (really the Man-In-Black) appeared to Eko on the Island several times before Eko is killed by the Monster.

You All Everybody
The sole hit song of Drive Shaft (first heard: I, 1.01-‘Pilot, Part 1”).
 
You All Every Butties
Butties Diapers asked the band to perform this version of the song for a commercial (FB, 2.12-“Fire + Water”)

Yusef
Yusef was part of the terrorist cell Sayid had infiltrated. He had knowledge of Sayid’s role in the Iraqi Republican Guard (FB, 1.19-“The Greater Good”)

Zach
Young boy, the Others abducted him and his sister (FBI, 2.07-“The Other 48 Days.)

Zodiac Raft
Inflatable raft from the Kahana, Sayid used it to get back to the Island (I, 4.11-“Cabin Fever”). Daniel began ferrying people back to the Kahana on the raft (I, “4.12-“There’s No Place Like Home, Part 1”).

Zoe
Member of Widmore’s science team. Zoe was a member of the team that kidnapped Jin (I, 6.10-“The Package”). Killed by the Man-In-Black because Widmore told her not to speak with him, which rendered her useless in his opinion (I, 6.16-“What They Died For”).

Zoe’s Map
An old DHARMA grid map that showed electromagnetic energy pockets. Originally drawn by Jin (I, 6.10-“The Package”)

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