Twenty contestants take on one of television's largest and most extreme obstacle courses.

Twenty contestants take on one of television's largest and most extreme obstacle courses.

As usual, contestants face different games like The Qualifier, The Sweeper and The Wipeout Zone. However, this week they have added a new obstacle called 'The Dreadmill' which involves two giant bowls swinging from side to side while contestants try to run between them.

Richard introduces two new obstacles: the Walk of Shame and the Zip-Wire of Doom.

Richard introduces two new obstacles: the Rolling Logs and the Bubble Bath.

All the obstacles have been introduced, but the contestants include, among others, a self-proclaimed ninja and an analyst who claims he knows how to clear the Big Balls.