David Walliams' Big Swim: A Sport Relief Special

Documenting one of the greatest charity achievements of all time, David Walliams’ Big Swim: A Sport Relief Special looks back on the eight day swim which the comedian undertook for Sport Relief 2012.

Providing the inside story with exclusive behind-the-scenes access, the programme makers follows David, his team and the great British public as the extraordinary comedian battles the odds to swim the length of the river Thames in a unique, eccentrically British event.