The Splendid Source

Summary

Peter, Joe, and Quagmire search for the source of a dirty joke.

Guest stars

• Marc Alaimo as Dean of the Secret Order of Dirty Joke Writers (voice)
• Ioan Gruffudd as Man (voice)
• David Lynch as Gus (voice)
• Wally Wingert as Principal Sloan (voice)
• Kevin Michael Richardson as Cleveland Brown Jr. (voice)
• Sanaa Lathan as Donna Tubbs (voice)
• Gary Cole as Principal Shepherd (voice)