- HD 1080
- Runtime: 86m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Jeff Tremaine
- Stars: Johnny Knoxville, Spike Jonze, Jackson Nicoll, Catherine Keener, Georgina Cates
- Production_studio: MTV Films, Dickhouse Productions
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.