​12 Of The Most Game-Changing TV Episodes Ever

If a TV show nowadays doesn't have at least one big twist now and then, chances are it doesn't remain on the air for long. But only a handful of TV series have the courage to completely transform themselves — to show something so crazy, it irrevocably redefines the show from that point on. We've been lucky to have… » 5/27/14 2:43pm 5/27/14 2:43pm