Karlie Verkerk

The bottom three contestants must create a dish that will secure them a spot in the semifinal. The judges take part in a masterclass run by Shannon Bennett with the contestants. Curtis Stone appears for an invention test relay.

An immunity challenge has contestants under pressure to use ingredients from the mystery box in a race against the clock.

The top four contestants go to Melbourne restaurant, Dinner By Heston, to take part in a service challenge.

Contestants are split into teams for a challenge at South Melbourne Market, before the weakest two teams are forced to participate in an elimination round.

The top six contestants do their best in a mystery box challenge in order to demonstrate their progress in the competition.

International celebrity chef Curtis Stone is in the house to set the Mystery Box challenge. Contestants have an hour to impress the judges to avoid the elimination round.