Overview: As Jeff competes for spots in an overbooked 'History of Ice Cream' class, Abed copes with the looming end of their time at Greendale by retreating into a surreal mental 'happy place', while Annie and Shirley engage in school-wide pranks.
Overview: On the way to a Halloween party, the study group must free Pierce from his panic room and slowly comes to suspect that his mansion is haunted.
Overview: Troy worries about losing Abed to a fellow Inspector Spacetime fan at a convention for the show, while Annie fantasizes about being married to Jeff.
Overview: The study group contends with a group of German students who take over the study room. Chang makes his return to campus.
Overview: Britta joins Jeff to see his estranged father on Thanksgiving. Shirley invites the rest of the group to spend the holiday with her judgmental in-laws.
Overview: Greendale comes together to get to the bottom of Chang's amnesia, which Abed films as a documentary. Jeff, however, suspects Chang is faking it.
Overview: Dean Pelton enlists the study group to beautify the campus to woo a wealthy student to Greendale. A class on teaching P.E. pits Shirley against Troy.
Overview: Jeff sets out to embarrass Britta when she announces a dance for women's empowerment. Abed dreams of shuttling between two dates in one night.
Overview: Dean Pelton prompts the study group to use puppets to relive the traumatic events of a recent adventure.
Overview: Jeff organizes a lovely holiday gathering at his apartment, but Annie secretly invites Professor Cornwallis to get in his good graces.
Overview: When Annie and Shirley learn that Leonard is actually holding the spot as the class valedictorian, they join forces to bring him down.
Overview: Abed's research into the study group's history uncovers an overlooked series of chance encounters that led each of them to Greendale.
Overview: A plan to celebrate Jeff's early graduation is unexpectedly disrupted by the study group's evil doppelgangers from the Darkest Timeline.