Ant and Dec host the high octane, supersized game show in which contestants must decide who will succeed in the amazing stunts and nerve-wracking challenges that play out in front of them. Eight contestants battle it out for a place in the final four, but standing in their way are footballers Darren Bent and Bobby Zamora tackling an extreme game of target practice, two champion gymnasts going head to head in a hand-walking contest, and Dancing with the Stars sensations Derek Hough and Peta Murgatroyd in a unique collaboration with classical guitarist Milos. Getting it right puts the contestants closer to the opportunity to win millions of pounds