There comes a time in every TV show when a main character dies, and shifts the plot in another direction, scattering the fanbase towards other characters before they inevitably repeat the process. The Walking Dead is certainly no exception, and is probably the most liberal show around today when it comes to bumping off its stars. The cast is almost unrecognisable compared to when the show first began. Remember Shane, Dale, Lori, Sophia and Andrea? Yes, you will, but they're all dead. Do you remember Amy, T-Dog, Jacqui, Ed, and Jim? Maybe not, but they all featured heavily in Season 1, and they're all dead too. With the catastrophe in full swing and character deaths being moved past in a heartbeat, it's hard to pinpoint how the show will ever come to an end, and the world is bulging with ideas that could work for the show. But is it about time that the entire show is plunged into change by killing the main man himself, Rick Grimes? It's a wildly unpopular idea, and while nobody wants to see him die as a character, it's hard to deny that it could be a spectacular moment for the show. So here are a few reasons why Rick shouldn't progress past Season 6.