Davina McCall: Life at the Extreme ITV, 9pm
She’s completed a gruelling 500-mile triathlon for Sport Relief in 2014, but now Davina McCall is attempting to race a cheetah. Luckily, she’s not expecting to win – instead it’s part of an experiment to find out how animals survive in some of planet’s most hostile environments. Over the coming weeks, Davina will travel to the coldest, deepest and wettest places on Earth, but she begins with a journey to Namibia. It’s there that she comes face to face with a cheetah, discovering how they can reach speeds of up to 70 miles-per-hour.