GREENDALE COMES TOGETHER TO UNLOCK THE MYSTERY OF CHANG’S AMNESIA – ABED FILMS THE EVENTS FOR A DOCUMENTARY – As the campus strives to get to the bottom of Chang’s (Ken Jeong) memory loss, Dean Pelton (Jim Rash) enlists the group to help secure a grant for further medical research and Abed (Danny Pudi) films the activities for a documentary. Jeff (Joel McHale), however, suspects there is more to Chang’s memory loss than meets the eye. Chevy Chase, Gillian Jacobs, Alison Brie, Yvette Nicole Brown and Donald Glover also star.