Jack Osbourne and the gang of well known faces take on some of the toughest adrenaline thrills challenges the world can offer. In this episode, he is joined by Hollywood star Elijah Wood as they go white water rafting on the Zambezi River, cross the world's largest waterfall on a rope, and undertake a terrifying canyon swing.

Jack Osbourne and his celebrity companions take on more of the toughest adrenaline thrills challenges the world can offer. In the Alps he is joined by Happy Mondays icon Bez, Ex-EastEnder Charlie Brooks and Shameless's Jody Latham. They take on the world's biggest bungee down the front of the dam which featured in Goldeneye, build their very own ice hotel in the mountains, and undertake a terrifying mid-air jump from one cable car to another.

Jack Osbourne and his celebrity companions take on more of the toughest adrenaline thrills challenges the world can offer. Still in the Alps with Happy Mondays icon Bez, ex-EastEnder Charlie Brooks and Shameless's Jody Latham, the adrenaline kicks up a notch as they attempt a terrifying leap from one cable car to another, before taking on the most dangerous motor racing circuit in Europe. They round off their adventure with some Swiss pant wrestling and a spot of wing walking.

Jack Osbourne and his celebrity companions take on more of the toughest challenges the world can offer. He is joined by fashion model Jodie Kidd, actor John Thomson and ex-Busted band member Matt Willis in New Zealand, where they fly through the mountains suspended under a helicopter, climb ice walls, cross a raging river on a tightrope and bungee jump from a cable car.

Jack Osbourne and his celebrity mates continue their quest to seek out the world's biggest adrenaline rushes. Jack is still in New Zealand with supermodel Jodie Kidd, actor John Thomson, and ex-Busted bandmember Matt Willis, where they undertake a gruelling 24-hour adventure race involving sea kayaking, cycling, waterfall jumping and running, followed by a terrifying bungy jump from a cable car. After Kayaking John quits and then it's left to Jack, Matt and Jodie to continue. Then They have to traverse from a huge rock or they face a 20 minute penalty. Soon it's back to biking then caving which they do with a heavy heart.

Jack Osbourne and his celebrity companions continue their quest to seek out the world's biggest adrenaline challenges. R&B star Craig David, presenter Emma Griffiths, and Huey from the Fun Lovin' Criminals join Jack to spend a terrifying night strapped to the side of a cliff, descend into the world's biggest hole, and learn how to box in Mexico City.

Jack Osbourne and his celebrity companions continue their quest to seek out the world's biggest adrenaline challenges. He continues to learn how to box in Mexico City's tough gyms with Craig David, presenter Emma Griffiths and Huey from the Fun Lovin' Criminals. Their training involves getting in the ring with a bull, and taking part in an Indian fire ceremony, before their tuition culminates in a fierce bout against a professional opponent.

Jack Osbourne takes a gang of famous friends on a mission to find the toughest adrenaline challenges in the world. In Africa he is joined by ex-Hollyoaks babe Gemma Atkinson, Harry potter star Tom Felton and Coronation Street's Wendi Peters; where they bunjee jump from a terrifyingly high bridge, go nose-to-nose with great white sharks and freefall parachute from a helicopter.