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.

Caspa the hurdling llama and Australian football freestyler Jed Hockin attempt to break records. And in the bunker, our Officially Competitive contenders attempt to decorate cupcakes in record time, and take on the record for backwards bum scooting.

Kayaker Claire O'Hara returns with an incredible record attempt, balloon-modelling expert Ryan Tracey makes balloon elephants without even looking and a man from China shows off his remarkable chin. Meanwhile, Officially Competitive showcases one of its toughest events yet - flipping and catching drinks coasters - with chopsticks. Will Cherry, Ray or Steve triumph? And who will be dumped into the gunge tank of doom?