Lisa Diep

The top 24 enters the MasterChef kitchen for their first challenge, and have to create a dish suitable for a home visit by the judges.

The team that lost the MCG service challenge must go up against each other in the elimination challenge. They must create a dish that inspired their love of food.

The winner of the mystery box challenge goes up against the three best invention test cooks in a fierce competition for immunity. Plus, Shannon Bennett returns to mentor the contestants.

The contestants visit Maggie Beer's Eatery in the Barossa Valley for their elimination challenge, and participate in a masterclass at the Adelaide Markets.

The contestants in the losing team work hard to stay in the competition. Nigella Lawson gives a Masterclass.

The winner of the mystery box challenge and the contestants of the winning team in the invention test relay battle it out to obtain the immunity pin.