Community: Season 2, Episode 21

2 - 21:

As the study group assemble their 20th and final diorama for their anthropology class, they reminisce about their favorite moments over the past year (all never-before-seen flashbacks). However, while reminiscing, a secret year-long affair between Jeff and Britta comes to light which threatens to tear apart the group. Meanwhile, Troy's monkey reappears but disappears back into the ventilation system, leading Se