We go behind-the-scenes to see David Walliams punishing 10-months of exhausting training for the attempt.
Little Britain co-star Matt Lucas provides the voiceover as we share all the highs and lows along the way.
We go behind-the-scenes to see David Walliams punishing 10-months of exhausting training for the attempt.
Little Britain co-star Matt Lucas provides the voiceover as we share all the highs and lows along the way.
