Bridge Too Far. Teams must create a bridge that can survive two shake plates, with the decision coming down to aesthetics if more than one bridge can survive all 12 levels of shaking.
Buyers Jury. When the team's inspect each others rooms, there is controversy over the cost of Darren and Dea's cellar full of wine. The buyers jury also inspects the completed rooms and when it comes to choosing a winner, they don't agree with judges Neale, Shaynna and Darren.
Super Dinner Parties - Olga & Valeria (NSW). The girls hope to blow away their rivals at their Super Dinner Party but some find their delicacies hard to swallow.
Mystery Box. Contestants must create a dish using the same ingredients that were in the very first mystery box in MasterChef season one, The least impressive fare will send their chefs to a pressure test cook-off.
Cut-Away. With 10 hours on the clock, the teams' challenge is to build something set to mini-fig scale that is whole on one side and when you spin it around, reveals a build and a world that has been completely cut in half on the other side.