Jack Osbourne: Adrenaline Junkie(2005)

Jack Osbourne: Adrenaline Junkie is a British reality series that follows the media personality on a grueling six-month journey to prepare for climbing El Capitan, California's legendary rock face. The show documents Osbourne pushing his physical and mental limits across the globe—running with the bulls in Pamplona, training in Muay Thai in Thailand, and undertaking a complete lifestyle overhaul. Between extreme challenges and rigorous exercise regimens, Adrenaline Junkie captures both the external stunts and internal transformation required to achieve an ambitious mountaineering goal. Originally broadcast on ITV2, the series also aired on MuchMusic in Canada and the Travel Channel in the US, appealing to viewers who crave real-world adventure and personal reinvention stories.