More From Decider Skip to main content Published April 29, 2026, 8:00 a.m. ET British survivalist Bear Grylls is teaming up with Tiffany Haddish for the latest episode of Bear Grylls is Running Wild . While hiking through the desert in the greater Utah area, nature truly takes over as Haddish bluntly reveals that she’s on her period. A Running Wild first? “Probably not,” Grylls told DECIDER. But he also said it was certainly the first time someone “[articulated] it so much.” Haddish, an A-list actress and comedian, first makes her confession after a successful 127 Hours – esque rock climb. As Grylls pulls her up to the top of the mountain, she huffs, “There are clots coming out.” Confused, he asks her to clarify “what’s coming out,” to which she bites back, “The lining of my uterus.” “I’m gonna be honest with you. I probably picked the wrong time of the month to do this show,” Haddish admits to the cameras.…