'This is insane!' Ben Stiller, Channing Tatum and Zac Efron run wild with Bear Grylls in preview of new reality show

Even when he's playing a tough guy in action movies, off-screen Channing Tatum has the luxury of being pampered by Hollywood hangers on.

The same goes for actors Ben Stiller and Zac Efron, that is, until all three actors signed up for a new reality show with adventure man Bear Grylls, 40.

In a sneak peek of the show Running Wild With Bear Grylls, the men are seeing getting to grips with survival in the wild away from their luxury lifestyles.



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'This is insane!' Ben Stiller is seen in the first preview of Bear Gryll's new NBC reality show Running Wild With Bear Grylls

'This is insane!' Ben is heard saying as he takes part in a challenge with Bear - real name Edward Michael Grylls.



'For these celebrities, one adventure with him, will show them who they really are,' the voiceover promises, as other celebrities including Tom Arnold are seen taking part in tasks.

The show will feature six episodes with a different celebrity, including Tamron Hall and Deion Sanders.

Official: Channing Tatum's Instagram account reveal' Here's your first look at #ChanningTatum filming "Running Wild with @RealBearGrylls", courtesy of the adventure man himself!'

Much like the reality show I'm A Celebrity... it will also see the Hollywood stars forced to eat bugs as part of the set challenges.

However, it seems the show is pitched at a slightly more high-brow audience, despite the similarities.

Hopefully any diva tantrums from the likes of Ben and Zac were kept to a minimum.

