More than 50 years after Alfred Hitchcock's most famous villain made his debut in Psycho, audiences are about to get reintroduced to Norman Bates in AMC's thriller Bates Motel. The creepy-looking series made me think: what other TV series started off as films? Quite a few, as it turns out. Check out the most memorable series inspired by feature films before the premiere of Bates Motel on March 18!