Eric contemplates what the move to Madison will do to his mother. When Jackie finally makes up her mind and chooses Hyde, she learns that he's already moved on to another girl. Laurie comes back from her honeymoon to which Fez wasn't invited.
Donna prepares to leave for Madison and Eric uses her emotional state as a way to get sex out of her. Kelso tries to act as mediator to bring Jackie and Hyde together.
Eric's 18th birthday is soured with the idea of having to say goodbye to Donna as she goes off to school and Kitty's focus on bedroom activity with Red.
Kelso wants the gang to believe that he and Brooke, the high school's attractive valedictorian/librarian, did more than listen to music at a Molly Hatchet concert. Newly eighteen Eric decides to use his adulthood to borrow Playboys from the library.
With Donna's help, Kelso comes to terms with the information that he has impregnated Brooke. Laurie and Fez have to fend off an INS agent who is investigating their marriage.
Eric and Kelso compete against each other for a waiter position when Eric loses his job and Kelso wants to prove he's responsible. In an effort to boost Bob's morale, Donna and Jackie send him fudge anonymously. Fez and Laurie start their divorce at Red's insistance, but when the wedding gifts start to arrive, both Red and Kitty falter.
The guys realize they've achieved a level of coolness by graduating when Jackie invites them to a high school dance. Kelso makes time for Brooke. Kitty makes Red Santa Claus.
Donna and Kitty pamper Eric through his time on the restaurant's late shift. Kelso, Brooke, Hyde and Jackie all go out together. Fez and Red share some personal time.
When Fez is arrested for domestic disturbance, he hopes Kelso can help him out. Jackie's attempt at being a Big Sister goes awry.
Fez tries to learn all the US History he can in preparation for his immigration exam. Kelso decides that he needs to break into the police academy office and enlists his friend's help after Roy tells him that the academy lets in one cadet destined to fail.
Donna and Eric total Kelso's car, leaving him to pick up Brooke on his bike. Jackie gives Hyde's room a makeover.
Kelso's attempt at setting Fez up with a police academy girl backfires. A stress specialist believes Eric to be the reason behind Red's distress.
Donna accidentally skips one of her birth control pills. Kelso and Fez come to terms only after Suzy is out of their hair.
Kelso sets the Police Acadamy ablaze. The local church pastor advises Donna on a path of pre-marriage abstinence.
Jackie's mom returns from her long vacation and is caught with Bob in the hot tub. Kelso finds a replacement police academy to attend after burning down his last one.
Donna and Jackie try to test the truth of Pamela's affection towards Bob. Kitty is bothered by Red's heart monitor.
Eric decides to relieve the stress of his and Donna's celibacy and gets caught red-handed. Fez and Hyde discover a changed Kelso at his new academy.
Donna gets even with Eric when he ducks out of registering for wedding gifts with her by enlisting Jackie to take him shopping. Hyde tells Jackie that she can't talk marriage with him.
A new boy to the block tries to ingratiate himself into the group and then pushes further when he tries to make out with Donna. Bob decides that he and Pamela should live together.
Mitch tries to sabotage Donna and Eric's relationship by revealing a secret to Donna. Red and Hyde catch Pamela naked while helping her move in with Bob.
Donna accompanies Mitch to a wedding and quickly regrets her decision when he lays claim to her in his toast. Fez pretends to be wealthy in order to impress a country club girl. Hyde is excited for the possibilities of cable when Red caves in and gets it installed. Kelso takes Brooke to a parenting class taught by Kitty.
Eric accidentally rips Donna's wedding dress; Red tries to find a thoughtful wedding gift for the couple.
Donna buys a trailer for her and Eric to live in, but he's not sure that's the best idea. Kitty unknowingly takes the girls to a male strip club after her initial attempts at providing a bachelorette party fail.
Eric tries to sort through his thoughts on marriage by leaving town and getting some perspective, but the move hurts Donna. Brooke's mother arrives to bring her home to Chicago.
Midge returns to town to help Donna deal with Eric's disappearance. Eric comes back but wonders if it's too late. Kitty discovers Hyde's birth certificate and both her and Red accompany Hyde to Milwaukee to meet his father.
