When the Greendale Glee Club is unexpectedly sidelined, the school’s effervescent choir director Cory Radison sets about recruiting the study group members to fill in. Skeptical at first, they eventually…

New roommates Troy and Abed host an apartment-warming party that takes a strange turn.

The Greendale study group reunites. Jeff butts heads with the new biology teacher and Dean Pelton finds a new nemesis in the dean of the Air Conditioning Repair Annex.