Featuring a horseboard slalom race and some miraculous marble-moving, with chopsticks. Also, our Officially Competitive superstars battle with hanging out the socks in order to save someone from the gunge tank.

Things get serious as our Officially Competitive legends attempt a record involving ping pong balls and lots of shaving foam. Also, the magnificent Moffatt Brothers return to face their most difficult and dangerous record attempt yet - and who will end up in the Gunge Tank of Doom?

Featuring a world-record attempt from an incredible contortionist, and in the bunker there's a nail-biting competitive domino rally. Finally, will the Gunge Tank of Doom claim another victim?