The Study Group returns from summer break ready to tackle their fourth year of Community College. Jeff is particularly focused on graduating and is just a few credits away. When there is a mix-up with a history class registration, Dean Pelton institutes an elaborate physical competition for class space. Meanwhile, Britta helps Abed deal with the anxiety he is experiencing over the thought of the study group graduating and breaking up. Written by m-r-m999

The Study Group's Halloween plans are put on hold when Pierce locks himself in the panic room of his haunted mansion.

At the Inspector SpaceTime Convention, Abed finds a new soulmate, Jeff discovers he looks like one of the show's villains, Shirley and Pierce join a focus group, and Annie pretends to be Jeff's wife.

The Study Group loses access to the study room to the German foosballers, and Chang returns to campus, claiming to be suffering from Changnesia.

While Jeff and Britta spend Thanksgiving with Jeff's newly-discovered father and brother, the rest of the Study Group tries to escape from Shirley's dysfunctional family Thanksgiving celebration.

Abed makes a new documentary chronicling Greendale's effort to get a research grant for Changnesia, as well as Jeff's efforts to prove that Chang is faking his disease.

Dean Pelton and Annie try to land a whale student while Jeff is assigned to keep Pierce occupied. Meanwhile, Troy and Shirley take a physical education education course, and Abed creates a fraternity to annoy the dean.

While the dean sets up a Sadie Hawkins dance, Britta puts together a competing Sophie B. Hawkins dance. Meanwhile, Abed is set up with two dates to both dances by Annie and Shirley.

Dean Pelton (Jim Rash) prompts the study group to use puppets to relive the traumatic events of a recent adventure.

Jeff organizes a lovely holiday gathering at his apartment but Annie secretly invites Professor Cornwallis, to get in his good graces. When it becomes apparent that Professor Cornwallis intends to give them a bad grade on their joint history paper, the atmosphere quickly deteriorates and the group takes decisive action. Written by Anonymous

When Annie and Shirley learn that Leonard is actually holding the spot as the class valedictorian, they join forces to bring him down. Meanwhile, Troy and Abed reminisce about one of their favorite body switching films, Freaky Friday, and when they inadvertently re-enact a critical scene, things start becoming a little funky at Greendale. Written by Anonymous

Abed's (Danny Pudi) research into the study group's history uncovers an overlooked series of chance encounters that led each of them to Greendale.

A plan to celebrate Jeff's (Joel McHale) early graduation is unexpectedly disrupted by the study group's evil doppelgangers from the Darkest Timeline.