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  • "Community" (8 p.m., NBC): In the Season 5 finale of this still-engaging comedy, the study group uncovers the history of Greendale's first dean, Russell Borchert (guest star Chris Elliott), a brilliant, wealthy recluse who was involved in a scandal and disappeared in the 1970s. Eager to find out more, Annie and Abed (Alison Brie, Danny Pudi) search for Borchert's sealed-off computer lab.

  • "The Vampire Diaries" (8 p.m., The CW): Disturbing dream alert. In tonight's episode, directed by Paul Wesley, Elena (Nina Dobrev) and Stefan (Wesley) have visions about the life they might have had together. Regrets? They've had a few.

    Nina Dobrev as Elena in ’The Vampire Diaries’ episode ’Resident Evil’ airing on Thursday, April 15, 2014.
    Nina Dobrev as Elena in 'The Vampire Diaries' episode 'Resident Evil' airing on Thursday, April 15, 2014. (Annette Brown/The CW)

  • "Scandal" (10 p.m., ABC):

    Say it isn't so: The season finale of this crazy, whacked-out, totally addictive show is already upon us. It's Election Day -- hold on to your seats, because things could get explosive. Or we could just say this episode is "da bomb," but we won't.

    Also on Thursday:

  • "Hell's Kitchen" (8 p.m., Fox)

  • "Parks and Recreation" (8:30 p.m., NBC)

  • "Reign" (9 p.m., The CW)

  • "American Idol" (9 p.m., Fox)

  • "Ice Cold Gold" (9 p.m., Animal Planet)

  • "The Crazy Ones," Season finale (9:01 p.m., CBS)

  • "Parenthood," Season finale (10 p.m., NBC)

  • "Portlandia" (10 p.m., IFC)

  • "Vikings" (10 p.m., History Channel)


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    Contact Chuck Barney at Facebook.com/BayAreaNewsGroup.ChuckBarney, or Twitter.com/chuckbarney