HBO. HBO is short for "Home Box Office".
More TV Trivia
Mandy Patinkin. The television series "Criminal Minds" was created in 2005 by Jeff Davis.
Ruby. The demon Ruby helps Sam develop psychic abilities so he can defeat Lilith in "Supernatural".
Teacher. An "Alias" soundtrack was released containing 26 tracks.
Chelsea. After Charlie proposes to her in "Two and a Half Men", Chelsea moves in with him.
Ned Stark. On "Game of Thrones", Lord Eddard Stark's nickname is "Ned".
10. Casting for Season 2 of HBO's "Game of Thrones" began in May 2011.