After Johnny Knoxville sent the guys on a terrifying Shark Week mission last year, Knoxville is joining the boys as they head out to get Poopies over his fear of sharks.

Through outrageous, never-before-seen footage, witness the making of the Jackass crew's last go at wild stunts.

The Jackass crew, along with some newcomers, returns for one final round of hilarious, absurd, and dangerous stunts.

Johnny Knoxville sends Steve-O, Chris Pontius, and new Jackass cast members on a Shark Week mission for the ages. They'll dial up a series of shark stunts that test their bravery and threshold of pain as they put common shark myths to the test.