"English as a Second Language" is the 24th and penultimate episode of Community's first season, where Señor Chang's lack of credentials is revealed, forcing the group to face a strict new teacher and a challenging final exam. Directed by Gail Mancuso and written by Tim Hobert, the episode highlights character dynamics through Annie’s manipulative actions and a notable act of kindness from Pierce. Read a full analysis at Community: "English as a Second Language" - AV Club .