Running Wild With Bear Grylls: The Challenge

National Geographic, 9pm

The survival expert (above) always attracts A-listers to his show. His latest series is no different – it begins with him taking Oscarwinner Natalie Portman out of her comfort zone during a trip to Utah's Escalante Desert. Luckily, she's in top physical shape thanks to her training for blockbuster movie Thor: Love And Thunder. ★★★★★