Desiree Burch joins Ben Shires and Haruka Kuroda to present. British Olympian Claire O'Hara attempts a kayaking record with her husband in Sydney, Australia. And drag racer Tom Bagnall goes for glory in a go-kart - with a jet engine on the back! Also, we welcome back our Officially Competitive legends - Cherry, Ray and Steve - competing for records in front of a live audience in our secret bunker.