MasterChef Australia returns with the best group of home cooks the competition has ever seen. In the first of three judges' auditions, our amateur cooks are given one hour to cook their best dish.

Contestants must create a dish inspired by one of seven classic fairytales. With an open pantry and garden, the contestant with the best dish and the strongest concept will win immunity.

The heat is on. A fresh group of home cooks from around the country will eagerly tackle challenges that will see one of them take home the title and $250,000.

After a record-breaking first-round cook that saw an extraordinary 20 aprons handed out, only four aprons remain. Who will have what it takes to impress the judges?

The winner of the mystery box challenge and the three best-performing cooks from the invention test will compete for immunity, with Shannon Bennett back in the kitchen to guide and mentor the contestants.

Top 24 Mystery Box Challenge: Elena Duggan The top 24 contestants enter the kitchen for their first mystery box challenge.

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.

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?

Judge Jean-Christophe Novelli sets the first Pressure Test of the competition with his 1992 dessert, 'Jack in the Box'.

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 amateur cooks are given one hour to recreate their signature dish for the first of the two judges' auditions. The judges introduce the nine past winners of the program, who are there to cheer them on.

The losing team from the MCG service challenge must face-off in this elimination challenge. The contestants must cook something inspired by the dish that made them fall in love with food.

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.

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 and Matt.

The three contestants with the least impressive dishes from the invention test face-off in the pressure test. Queen of the kitchen Maggie Beer enters with the dish to be recreated.

The contestants find themselves on the turf of the iconic MCG for the first team challenge. Split into two teams, each must cook delicious and nutritious food for 50 diners using a different protein.

Guest chef Shannon Bennett returns with 10 of his favourite fridge and pantry items to create this mystery box. The two least impressive cooks will face off in the next episode's pressure test.

Hidden Pairs Elimination Challenge Bottom 4 cooking of in the mystery pairs elimination challenge.

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?

The losing team from the relay challenge now face elimination and the contestants have 90 minutes which they can use to buy ingredients. Who will be the next to leave the competition?

Our 2018 cooks enter the MasterChef kitchen for their first challenge as the top 24. The contestants need to imagine they are hosting the judges at their house for a meal, cooking anything they want.

The 23 cooks enter the kitchen for the first mystery box challenge of the season. This time, the rules are changing: the winner of the mystery box will get a game-changing advantage.

The bottom three contestants from the previous invention test will face off in this episode's pressure test. The contestants have 75 minutes to complete four of Nigella Lawson's favourite chocolate dishes.

This episode's Pressure Test has contestants recreating a dessert from culinary legend Clare Smyth. During four hours of preparation time, there are tears and even a dish that collapses before the judges' eyes.

In today's challenge, the contestants are split into four teams, with each team cooking in a relay. All five members of the team with the least impressive dish will go into tomorrow's elimination.