Sarah Jessica Parker reflects on receiving the Golden Globes' Carol Burnett Award, saying goodbye to Carrie Bradshaw, judging the Booker Prize and making a 'Family Stone' sequel.

Unnecessary characters, replacing the main star, and adding ridiculous plots are just some of the signs that it's time to call it quits.

It's far from unusual for actors to leave TV shows for one reason or another, but these 15 examples prove some exits are far ...