S2, E18: When Shirley (Yvette Nicole Brown) and her ex-husband, Andre (guest star Malcolm-Jamal Warner) enlist Jeff (Joel McHale) to legally cut Chang (Ken Jeong) out of any claim on Shirley's new baby, the former Spanish teacher resolves to be the best father he can be. Meanwhile, Britta (Gillian Jacobs) learns that Abed (Danny Pudi) and Troy's (Donald Glover) new best friend is a ruthless war criminal.