The turtles find out where the Ooze, the substance which made them mutate, came from. Unfortunately Shredder learns about it too, and uses it to enhance himself. So the turtles have to prove again who's the better ninja fighter.

Bad Grandpa .5 gives you a whole new perspective on the world of Irving Zisman with new scenes and pranks also featuring Spike Jonze as "Gloria" and Catherine Keener as Irving's wife "Ellie", plus a look at the evolution of Johnny Knoxville's naughty alter-ego, the makeup effects, and a behind-the-scenes peek at the idiocy it takes to make a hidden camera movie in public.

Joshua is a former U.S. military official who fled to the Foreign Legion when his wife Maria was killed by Muslim fundamentalists in Paris, and now he's a mercenary, fighting in the Yugoslav war on the Serbian side against Muslims.

While filming his sadistic relationship with women, a killer's infatuation with a potential victim forces him to confront his past.