Here is the trailer and promo poster which features vampire bites and the phrase “You know you’re hooked” for True Blood's 4th season premieres June 26, 2011.
True Blood Season 4 - Trailer:
Synopsis: Sookie journeys away from Bon Temps; Eric and Bill try to win back the human public; Jason learns that no good deed goes unpunished; Tara finds refuge in close quarters; Sam bonds with his own; Hoyt and Jessica debate the dinner menu; Jesus urges Lafayette to join a coven; Terry tries to alleviate Arlene’s fears about the baby.