Abed (Danny Pudi) shares with the group his film-inspired social goals for an ideal first year of college, including pantsing.
Pierce (Chevy Chase), eager to participate in the group's fun, proceeds to pull down Shirley's (Yvette Nicole Brown) pants, which deeply offends her.
Meanwhile, as Troy helps Abed complete his list of social goals, Jeff (Joel McHale) and Britta (Gillian Jacobs) find themselves mocked for attending community college by a group of high school students taking early classes at Greendale.
His plan initially succeeds, but it backfires when she finds out the truth and begins behaving immaturely, similar to the high schoolers.
Although he wasn't in Animal House, Chevy Chase, who plays Pierce Hawthorne, had connections to the film's cast and crew due to his work with National Lampoon, his time on Saturday Night Live, and his role in the 1980 sports comedy film Caddyshack.