Hayden Quinn

The contestants are given a Mystery Box challenge and are then tasked with taking over the QANTAS First Lounge kitchen at Sydney Airport.

The fierce battle for the immunity pin sees Christine Manfield as a guest judge.

Each contestant must prepare a dish of their own creation for the pressure test; the least impressive dish will send the contestant home.

The 24 contestants enter the MasterChef kitchen and are greeted by legendary chef Gordon Ramsay; when they get over the shock he tells them he will be here for the entire week to mentor them through the first stage of the competition.

The contestants prepare canapés for an event hosted by the Australian mission to the UN.

In New York, the team is set a challenge to create a restaurant-quality inspired dish, they're sent to different parts to find inspiration.