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.

A young newspaper reporter becomes a horrible crusty-faced zombie following a radioactive contamination.

Convinced romance is dead, a heart-broken-ed man turns to his best-friend who plans an unorthodox 'Mantervention'.