Bree Tomasel challenges our first lot of bubble teams to build epic 'chain reaction' contraptions in their homes.

Our second group of bubble teams are challenged to create miniature houses.

Our third lot of teams are challenged to make cakes that look like Prime Minister Jacinda Ardern!

Our next lot of teams compete in a superhero challenge!

Art & Matilda, Jono & Ben and Toni Street compete in a special celebrity edition!

It's time for the semi-finals - and instead of just one challenge, our teams are asked to take on two!

Our second group of semi-finalists are challenged to do crazy trick shots and make awesome stop-motion films.

Series Finale: It's a showdown for the final bubbles and Bree has set the remaining teams epic tasks - a Dr. Ashley Bloomfield impersonation and creating a pinata! Which team will take it out?