Little Britain's Big Swim Part 1

In 2006, David Walliams audaciously decided that he would swim the English Channel the 'blue riband' of sporting events in an attempt to raise money for Comic Relief. Knowing David would need the best training possible, Kevin Cahill (CEO of Comic Relief) enlisted the help of World renowned sports scientist and 'physical activity guru'; Professor Greg Whyte OBE, to guide David on his journey to accomplishing a challenge most thought impossible for David. Video courtesy of: BBC