Bear Grylls reveals why A-list stars willingly eat snakes, brave glaciers on 'Running Wild'

One of the world’s astir recognizable survivalists, Bear Grylls, swapped the rugged cliffs of Norway for the agleam lights of the "Fox & Friends" workplace this week — astatine slightest for a abbreviated time.

Joining big Brian Kilmeade, Grylls discussed the ninth play of his deed show, "Running Wild," which makes its debut connected FOX.

While astir speech shows impact celebrities sitting connected a sofa to beforehand their latest project, the attack by Grylls is simply a spot much — visceral.

HEALTHY DIETS SPARK LUNG CANCER RISK IN NON-SMOKERS AS PESTICIDES LOOM

The caller play of his amusement features a heavy-hitting lineup, including Matthew McConaughey, whom Grylls took to a glacier successful Norway.

Kilmeade joked astir Grylls' casual appearance. But the survivalist was speedy to enactment that his parent often called him the scruffiest idiosyncratic successful the room.

The show, "Running Wild With Bear Gryllsm" is entering its ninth season, which debuts connected FOX connected Tuesday, April 21. (Neil Mockford/GC Images)

For Grylls, however, the attire is simply a azygous for a occupation that bridges the spread betwixt A-list glamour and rugged quality experience.

"The chaotic ne'er judges," Grylls said connected "Fox & Friends."

RARE ROMAN MOSAIC SHOWS WOMAN BATTLING WILD ANIMALS IN THE ARENA, RESEARCHER SAYS

"I’ve done this each my life. ... My dada was a erstwhile Marine, taught maine a batch of this stuff. … This became my world."

When asked wherefore immoderate of the astir palmy radical connected Earth would willingly taxable themselves to the harsh conditions seen successful the show’s promos — specified arsenic eating snakes oregon boiling h2o to debar unwellness — Grylls said that for these stars, the entreaty is astir authenticity.

"The chaotic ne'er judges," Grylls told Brian Kilmeade of "Fox & Friends."  (Fox News)

"It’s antithetic [from] a chat show, wherever you beryllium connected the sofa, and there’s a show for 3 minutes to archer a comic story," Grylls said. 

TEST YOURSELF WITH OUR LATEST LIFESTYLE QUIZ

"Nature does my occupation for me. Like I said, it opens radical up. I deliberation a batch of these stars — they privation the acquisition of what the chaotic tin springiness you."

CLICK HERE FOR MORE LIFESTYLE STORIES

The duo reviewed a clip of McConaughey learning the hard mode that adjacent "pristine" Norwegian h2o needs to beryllium boiled to debar a mid-journey disaster.

Grylls antecedently hosted guests specified arsenic NBA fable Shaquille O'Neal, shown above, during the filming of "Running Wild with Bear Grylls." (Ben Simms/NBCU Photo Bank/NBCUniversal)

Reflecting connected 9 seasons of taking satellite leaders and icons into the brush, Grylls shared his biggest takeaway.

CLICK HERE TO SIGN UP FOR OUR LIFESTYLE NEWSLETTER

"Everyone’s conscionable a regular idiosyncratic underneath it all," helium said. "I respect the information that they’re retired of their comfortableness zone. And that becomes a subject — palmy radical bash the difficult."

CLICK HERE TO DOWNLOAD THE FOX NEWS APP

"Running Wild" airs contiguous connected FOX, with episodes disposable for streaming the pursuing time connected Hulu.