Jackass Presents: Bad Grandpa .5
Bad Grandpa .5 gives you a whole new perspective on the world of Irving Zisman with bonus 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.
- Genre: Comedy
- Director: Jeff Tremaine
- Cast: Johnny Knoxville, Spike Jonze, Jackson Nicoll, Catherine Keener, Georgina Cates
- Country: United States