“The Vampire Diaries” (8 p.m., The CW): The week serves up season finales for several

“The Vampire Diaries” (8 p.m., The CW): The week serves up season finales for several shows, including this fang-tastic freshman drama. The episode is pegged to a Founder’s Day celebration in Mystic Falls that ends up in death and destruction. Elena (Nina Dobrev) and the sexy undead Salvatore brothers (Paul Wesley and Ian Somerhalder) are set to return for a second season of supernatural shenanigans.

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