Buffy gets adjusted to college life, deals with a difficult roomate, and finds that a vampire group exists on campus.
Buffy's friends help her deal with her difficult roommate, Kathy, who has designs on Parker, the classmate that Buffy finds attractive.
Spike returns to Sunnydale to find a powerful buried relic that has the ability to make vampires invincible.
The gang finds itself trapped in a haunted fraternity house during Halloween.
Buffy starts drinking with a bunch of upperclassmen at the college bar.
Buffy learns that Oz is drawn to Veruca, a sexy female werewolf, and has escaped from his cage to be with her in the wild.
Spike is held captive by a commando unit in a high-tech laboratory underneath the university. Upon escaping, he searches for Buffy, whom he assumes is responsible for his kidnapping.
Xander stumbles upon a Native American burial ground and accidentally releases an angry spirit during Thanksgiving, who, along with its warriors, wants revenge for the wrongs done to its people.
Willow's spell to help her get over Oz ends up causing havoc for everyone around her, especially Buffy, who falls in love with Spike and ends up engaged to him.
A group of demons steal the voices of Sunnydale's residents, leaving the town unable to voice the screams necessary to render the demons powerless. The demons use the situation to to begin taking human hearts.
The gang returns to Sunnydale to stop a group of demons from ending the world. Buffy and Riley establish the parameters of their relationship.
Buffy and Riley's romance begins to evolve. Giles is turned into a demon and, able to speak only in the demon's language, tries to evade Buffy.
With Buffy spending more and more time with Riley and the Initiative, she has less time for her friends. Meanwhile, Willow and Amber take tentative steps to strengthen their friendship.
Buffy tells Riley that Professor Walsh tried to kill her, followed by increasing wariness of one another when the professor is found dead. Riley also gets jealous upon spotting Buffy with Spike and then at Willy's.
Faith wakes from her coma and sets out for revenge. Meanwhile, Riley returns to Buffy and helps her start investigating the Initiative's nefarious purpose.
Though Faith causes havoc in Buffy's life after she initiates a body switch, the vengeful Slayer finds herself sobered by what she experiences among Buffy's friends and family. Meanwhile, the Watchers' Council apprehends Faith to take her back to England, not realizing that it's really Buffy in Faith's body.
As she tries to mend her relationship with Riley, Buffy starts to question how Jonathan became so super-accomplished and why everyone idolizes him.
Buffy and Riley inadvertantly unleash the spirits of two repressed adolescents when they spend a large amount of intimate time together in the bedroom.
The relationship between Tara and Willow deepens, just as Oz returns to Sunnydale and tells Willow he's still in love with her and is now able to control his werewolf transformations. Enraged upon learning of Willow's new relationship, Oz loses control of his emotions and goes after Tara.
Adam utilizes Spike in a plan to turn the gang against one another, leaving Buffy all by herself. Angel returns to apologize to Buffy for the battle over Faith, only he finds himself fighting with Riley for Buffy's heart instead.
Buffy's distance from the rest of the gang threatens to halt Adam's plan to create a soldier unit of super human/demon hybrids like himself.
Having defeated Adam, Buffy, Willow, Xander, and Giles sit down to watch television, but soon find themselves in a dream world where the spirit of Tara is guiding them through their deepest fears.