TV is a big business. So when a series is successful (and profitable), execs are going to find any way they can to keep it running for as long as possible. But that means, of course, that something like a star quitting isn’t going to slow down production. No matter how much fans love that actor or character. Because business is business. And as far as TV is concerned, no star is too big for audiences to completely forget about. At least, not as long as they’re given a proper sendoff. Or not. So here are 20 TV shows that lost stars but continued to run anyway.