Most people toil away at film school for years before they even touch a movie camera. Not Oklahoma City director Brent Ryan Green. He went about it the old-fashioned way: learning by doing.
Riotous as they are, the Jackass movies have not been immune to the law of diminishing returns — in terms of laughs, not box office. That the fourth feature, Jackass Presents: Bad Grandpa, is the funniest since the first, 2002's Jackass: The Movie, is something of an unexpected achievement.