Helen's Polar Challenge for Sport Relief - Season 1 Episode 4

Clare Balding embarks on a pedal-powered odyssey across Britain to rediscover the magical world of 1950s cycling

Series which follows comedian Eddie Izzard rising to the challenge for Sport Relief by running an astonishing 43 marathons in 51 days

Double Olympic gold medallist James Cracknell, TV presenter Ben Fogle and Doctor Ed Coats compete in one of the world’s greatest challenges...

Michael Palin undertakes an epic journey of 23,000 miles, travelling from the North to the South Pole across 17 countries with a minimum of air...

The cycling magazine show with regular presenter Graham Little including special guests and items and features on all aspects of bike riding.

Documentary series aimed at understanding the jobs of the "Ice Rangers": these men and women who manage the practical aspects of the Princess...

David Attenborough travels to the end of the earth, taking viewers on an extraordinary journey across the polar regions of our planet.

Sir David Attenborough looks at the natural history of the Antarctic continent