 The Irish television series "Father Ted" features a television show, "Father Ben", which has characters and storylines almost identical to that of Father Ted.The television shows "30 Rock", "Studio 60 on the Sunset Strip", "Sonny with a Chance", and "Kappa Mikey" feature a sketch show within the TV show.An extended plotline on the semi-autobiographical sitcom "Seinfeld" dealt with the main characters developing a sitcom about their lives.