Jackass Presents: Bad Grandpa is a 2013 American hidden camera comedy film directed by Jeff Tremaine and written by Tremaine, Spike Jonze and Johnny Knoxville. It is the fourth installment in the Jackass film series. The film stars Johnny Knoxville and Jackson Nicoll. It was produced by MTV Films and Dickhouse Productions and distributed by Paramount Pictures. The film was released on October 25, 2013.