 it may have a sleep timer this will automatically shut off the screen after a specific time and if all else fails you just have to go to cold turkey no tv if you can't turn it off but i will tell you i just got done i know i was a little late to the game uh but i just got done watching dexter that if you haven't seen dexter i know the premise is really weird it's like a serial killer goes after bad guys and you're kind of rooting for him