Turn-On is considered the biggest flop in TV comedy history. The sketch comedy show was created in 1969 by George Schlatter - who was trying to capitalize on his other show, Rowan & Martin's Laugh-In.

Only one episode ever aired. In fact, some stations pulled the show after the very first commercial break. A young Albert Brooks was one of the staff writers and the first episode of Turn-On was hosted by Tim Conway. Perhaps the show was too ahead of its time, or perhaps it was truly awful? We’ll just never know…