Watch Your Mouth was a weekly comedy-drama series that originally aired on Public Broadcasting Service. It was directed by Stan Lathan, and it ran for one season, with the first episode airing on April 8, 1978. The series consists of 28 30-minute episodes and it centers on Raymond Geeter (Joe Morton), who is the teacher for a class of ethnically diverse high school students. Regular members of the class included Bobby (Robert Rush), Bonnie (Joanna Glushak), Carlos (Lionel Pina), Carmen (Ginny Ortiz), Franklin (Glen Harris), Melvin (George Campbell) and Raoul (Luis Figueroa). Robert Townsend, now a major celebrity, appeared in a guest role as a student. The series generally combined dramatic subject matter with comedic relief. The plots typically involved Mr. Geeter providing the students with a specific lesson in life. Watch Your Mouth was considered a groundbreaking series since it tackled many subjects considered controversial at the time, such as drug use and teen pregnancy.