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TV Shows That Went Downhill After Season 1

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12. 'True Blood' (2008-'14)
True Blood was at its best in Season 1, although it was never a particularly celebrated show. In the beginning, it's a horror fantasy set in a world where vampires exist. And as the seasons go on, more and more supernatural beings come out of the woodwork. And the show also delves deep into the vampire world — which takes episodes in wild directions. It's all a far cry from the grounded plot of the first season centered on innocent telepath Sookie Stackhouse (Anna Paquin) and her vampire love, Bill Compton (Stephen Moyer).