Bear Grylls climbing a mountain.

Six celebrities are in for the adventure of their lives in the new Discovery Channel (DStv 121) survival reality series Running Wild With Bear Grylls. Premiering on Tuesday, 26 May at 20:00 watch as renowned adventurer and survivalist Bear Grylls takes celebrities into the most remote locations in the US and around the world for a 48-hour journey of a lifetime.

Featuring in the series is actor Zac Efron, actor-director Ben Stiller, actor Channing Tatum, NFL Hall of Famer Deion Sanders, actor Tom Arnold and MSNBC and Today anchor Tamron Hall. Each of the celebrities will endure the harsh wilderness in high-octane, action-based and empowering journeys in six remote locations.

From skydiving into the Catskill Mountains, to rappelling down the cliffs of Utah and battling torrential wind and rain in Scotland, Grylls and each celebrity will have to push both their minds and bodies to the limit to successfully complete their journey.

Will these celebrities outlast Mother Nature under the guidance of famed adventurer and survivalist Bear Grylls? Find out in the premiere of Running Wild With Bear Grylls on Tuesday, 26 May at 20:00.