The celebs are thrown in the deep end straight away, with a bungee jump from Auckland Harbour Bridge.
For the second series of Jack Osbourne: Adrenaline Junkie, Jack Obsbourne can be seen trying the white-water kayaking as a part of the show's challenge before making his way to Japan.
Ozzy Osbourne | Jack Kerouac | Jack Nicholson | Jack Nicklaus | Jack the Ripper | Jack London | Jack Kemp | Jack Kirby | Jack Lemmon | Jack Black | Jack Abramoff | Jack Dempsey | Jack Benny | Jack White | Wolfman Jack | Union Jack | Jack White (musician) | Jack and the Beanstalk | Jack Johnson | Jack Charlton | Jack Palance | Jack Daniel's | Jack | Jack Paar | Jack Layton | Jack Straw | Jack Vance | Jack Bruce | Jack Warden | Jack's Mannequin |
Though mostly music acts, it has guided the careers of husband Ozzy Osbourne, children Kelly Osbourne and Jack Osbourne, as well as The Smashing Pumpkins, Coal Chamber, Queen, Gary Moore, Motörhead, Lita Ford, and ELO.