The contestants are split into teams of four in a relay challenge as each member has 15 minutes to cook and only 45 seconds to hand over to the next cook in the relay.
The three best performers from the invention test are now vying for a chance at immunity. Does the amateur cook have what it takes to out-cook the professional?
The bottom three contestants from the invention test now face a pressure test to recreate Andy Bowdy's Rita cake to avoid elimination. Who will be the next to leave the competition?
Contestants have 75 minutes to create a dish using ingredients from the mystery box with the winner gaining the advantage in the invention test.
The losing team from the Italian service challenge face elimination. Who will be the next to leave the competition? Plus, don't miss the first MasterClass of 2017 led by judges Gary, George & Matt
The contestants gather at Gradi, one of Melbourne's leading Italian restaurants before being split into two teams who must prepare four dishes for 250 hungry diners to avoid the elimination challenge.
Immunity Challenge. The top three contestants from the invention test now compete in creating a family meal for four in half an hour. The winner will then take on a professional chef for a chance at immunity.
Pressure Test: Gary's Roast Chicken. The three contestants with the least impressive dishes from the invention test face off in the pressure test. To survive they must keep up with Gary Mehigan as he prepares his classic roast chicken.
Elimination Challenge. The bottom 4 will cook off in an elimination challenge. Who will be the first to leave MasterChef Australia 2017?
The Top 24 contestants enter the kitchen for their first mystery box challenge.