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.

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.

The study group contends with a group of German students who take over the study room. Chang makes his return to campus.

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.

Dean Pelton 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 Shirley's remarriage to Andre threatens to put her dreams of starting a business with Pierce on hold, Britta steps in.

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.

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.

Britta's ex-boyfriend, Rick, returns, reigniting her far-fetched dreams of a normal relationship. Annie goes to extremes to win Elroy over.

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.

Although Shirley and Andre don't want Chang involved with her baby, he resolves to be a good dad. Abed and Troy's new friend may be a war criminal.

The study group struggles to incorporate a fellow classmate while working on a project for Professor Kane's class.

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

With his law practice doomed, Jeff returns to Greendale to start a class action suit against the school, but a hologram of Pierce has him reconsider.

When Dean Pelton loses himself — and a chunk of the college budget — in a virtual reality system, Jeff seeks help from its cantankerous inventor.

A hacker angry over a racist comic's planned campus performance threatens to publish the activity committee's personal emails.

A 19-foot plaster hand guides the group on an emotional journey as they travel through mountains and flashbacks while aboard Elroy's RV.

With his high-price "escort" girlfriend on his arm, Pierce pressures Jeff into asking Dean Pelton's airhead secretary to double date at the STD Fair.

Jeff is suspicious of Pierce's engagement to a pretty classmate. Troy invents a childhood trauma to impress Britta, and Abed challenges a professor.

When Britta falls for the human embodiment of the Subway sandwich chain, Shirley and Pierce hope to use the situation to their advantage.

Jeff counsels a smitten Duncan on how to get a date with Britta but is developing feelings of his own. An angry Hickey tries to teach Abed a lesson.

Jeff's depression over turning 40 leads him to drink himself unconscious. In his dreams, he and the gang are part of the "G. I. Joe" cartoon team.

The Save Greendale Committee's success is short-lived when the board votes for a corporate sellout, but Pelton, Annie and Abed might find a solution.

When prisoners roll into Greendale via telerobot, Jeff meets his match in a clever convict. Britta's plans for a raging house party backfire.