Callum's pitting his Big Bro Adam against best mate Joe in this hilarious competition made up of funny, gross and gungy challenges. Who'll take the win and who will take a spin on the Wheel of Doom? It’s all up to Callum so they’ll need to impress him!

When Joe and Adam open their front doors to find a 20m high crane outside, they know Little Bro Callum’s up to something! He’s challenged them to an epic Big Drop contest… with mum’s vase and their own phones. Which precious items will survive the drop, and how can watermelon and a gunge pool protect them? Once that’s sorted, it’s onto building gigantic hats with everyday objects in a bid to avoid Callum’s forfeit Wheel of Doom! Show less