Annie's favorite pen goes missing, and she suspects that someone in the group took it. Then study room is put on lock down, and Jeff starts conducting the investigation. Troy and Abed are especially anxious to get out of the room in order to make it to the Greendale Puppy Parade in time.
Elenco: Joel McHale , Gillian Jacobs , Danny Pudi , Yvette Nicole Brown , Alison Brie , Ken Jeong , Donald Glover , Jim Rash , Ken Jeong , Yvette Nicole Brown .