Running Wild with Bear Grylls: The Challenge

Cynthia Erivo in the Brecon Beacons Mountains (2x3)

Air date: Jul 23, 2023

Bear takes singer-actress Cynthia Erivo to the highest mountains in Wales, where Bear trained in Special Forces. Bear teaches Cynthia how to rappel and navigate a labyrinth of caves before traversing a frigid and thunderous waterfall.