HBO's True Blood, which returns for its final season Sunday, is a prime example of a TV show that kept going long after it should have ended. It's not alone, though: Other shows have stayed too long at the party, including Dexter and Law & Order: SVU. Why is it that some shows stay on air well after they've run out of creative juice?
Copyright 2020 NPR. To see more, visit https://www.npr.org.