Featuring a 14-year-old yo-yoing superstar, Australian professional skateboarder Nikki Rose Quinlan taking on a world record in preparation for the Olympics, and in the bunker, the Officially Competitive legends attempting to build a jelly cube pyramid using chopsticks in record speed, with mixed results. Also, in China, two challengers try to complete the world's highest wall-assisted backflip.

Featuring the return of Anthony Kelly - real-life ninja and Australia's greatest ever record breaker - this time catching tennis balls at 100kmp, while blindfolded. Professional breakdancer B-Girl Roxy is head spinning. Germany's Ronnie C Rock is car spinning. And our Officially Competitive contenders take on the world's longest backwards jump.