This episode is an Olympic special, featuring record attempts by Olympic gymnast Nile Wilson and gold medal-winning Paralympic archer John Walker. Also there is a precarious glass-stacking record. And one of our Officially Competitive legends will be hoping to be saved from the gunge tank of doom.

Ben Shires, Al Jackson and Haruka Kuroda witness record attempts from around the world in front of a live audience. Featuring barefoot water-skiing, contortion back-bending and some stunning stunt work on a BMX. Also, Officially Competitive moves to the kitchen for a sandwich-based challenge that would be much easier if blindfolds weren't involved. And someone will end up in the gunge tank of doom.

Ben Shires, Al Jackson and Haruka Kuroda witness record attempts from around the world in front of a live audience. Featuring death-defying motorbike stunt men, some of the country's top footgolf players and a battle to become the world's best at sticking sticky notes on the body. Also, a record-breaking hero faces the dreaded gunge tank of doom.