S1, E24: THE TRUTH ABOUT SEÑOR CHANG IS REVEALED - After the shocking discovery that Señor Chang (Ken Jeong) does not have a teaching degree, Greendale Community College is forced to bring in a new Spanish teacher. Meanwhile, Troy (Donald Glover) discovers a trade he truly excels in -- plumbing. Joel McHale, Chevy Chase, Gillian Jacobs, Alison Brie, Yvette Nicole Brown, and Danny Pudi also star.