Jackass 5 explosion 'mistaken for a plane crash' Johnny Knoxville claims a "monstrous explosion" on the set of the fifth Jackass movie - Jackass: Best and Last - was so huge it was mistaken for a plane crash. 20 April 2026 Johnny Knoxville claims a "monstrous explosion" on the set of Jackass 5 was mistaken for a plane crash.