The history of television is littered with truly terrible spin-offs like Joey, AfterMASH, The Misadventures of Sheriff Lobo and, of course, Joanie Loves Chachi. But as Better Call Saul has recently proved, some great ones do manage to make it onto the air. The key is to tell a very different story than the original show and introduce memorable, new characters from the get-go. We asked our readers to vote for their favorites. Here are the results.