ITV3 Davina McCall: Life at the Extreme Catch up on the ITV Hub In this four-part documentary series, Davina McCall travels to some of the hottest, coldest, deepest and wettest places on earth to discover how some of the most extraordinary animals on the planet survive in its most hostile environments. 3 episodes available to watch Share this programme: Share on Facebook Share on Twitter Share on Google+ 3. Svalbard - Cold Mon Monday 19 Sept 9pm Davina travels to the Svalbard islands in the Arctic Circle - home of the polar bear. 2. Azores - Deep Mon Monday 12 Sept 9pm Davina McCall investigates how whales cope with the pressures of deep diving. 1. Namibia - Hot Mon Monday 5 Sept 9pm In Namibia, Davina learns how to survive the heat.