The Splendid Source
Family Guy Season 8 Episode 19 (05/16/10)
Peter and the guys try to find the original source of a dirty joke and their trip finds them in Virginia where they meet Cleveland's new family. The guys end up taking Cleveland with them on an adventure that takes them first to Washington D.C. and later to a remote island. Once they discover the source of jokes is a secret base, the group wants to keeo the guys prisoner until they break free, blow up the place and take off by plane.