Season 1
Season 1 • 2021
0Five volunteers put their lives in Michael Mosley's hands. Can food, fitness and lifestyle changes really transform their health and well-being in just three weeks?
Episodes

1. Episode 1
Michael runs tests on the five volunteers to assess their health, and examines what they eat. And then they begin a new training plan.
2021-05-27 • 46 min

2. Episode 2
The group come together for a rooftop high-intensity training session. They also go cold-water swimming. And a self-confessed 'junk food vegan' makes some changes.
2021-06-03 • 46 min

3. Episode 3
As the group tackle the final fitness challenge, Michael explores stress, exercise and inner motivation. He also reveals how far they've come in 21 days - with some astonishing results
2021-06-10 • 46 min