Matt Preston and Nigella Lawson arrive at the contestant house in the middle of the night as the 3 best from Nigella's Invention Test are asked to create a midnight snack for a chance at Immunity.
Split into three teams, each team must prepare one savoury dish and two sweet dishes to sell at a fete held in honour of Nigella Lawson, with all proceeds donated to the Royal Children's Hospital.
The contestants have 60 minutes to create a dish using the ingredients in the mystery box. The winner will cook-off for a chance at immunity and the bottom three contestants will face the elimination pressure test.
The bottom three contestants from the invention test now face the elimination pressure test. They have just over three hours to recreate UK chef Jason Atherton's quail afternoon tea dish to avoid elimination.
The losing team from the service challenge now faces elimination as the contestants create a dish without any cooking. The bottom three will then cook-off to avoid elimination from the competition.
It's Nigella Lawson Week! Contestants have 75 minutes to create a delicious dish based on Nigella's divine indulgences. The top 3 will have a chance at immunity while the bottom 3 face elimination.
The bottom 3 from Nigella's Invention Test face elimination in what might be the toughest Pressure Test ever, as contestants have just one hour to recreate Nigella's three-course meal.
In today's Service Challenge, the contestants are split into two teams. Each team must cook a three-course meal for 30 people, replicating dishes from two celebrated Melbourne restaurants.
It's the challenge that takes the cake, with the contestants needing to name the ones before them to survive. Then it's over to Nigella for a decadent MasterClass.
MasterChef Australia returns with the best group of home cooks the competition has ever seen. Tonight, our amateur cooks are given just one hour to cook their best dish.
The bottom three contestants from the invention test face off in the elimination pressure test. Contestants have just two hours to recreate two of guest chef Ross Lusted's signature dishes.
Guest chef Curtis Stone joins today's off-site Team Challenge. Each team must prepare a six-course degustation menu for 50 guests in only two and a half hours, to avoid the Elimination Challenge.
The four contestants who impressed in the relay invention test will cook for immunity. Does the winner of the first round have what it takes to out-cook guest chef Victor Liong from Lee Ho Fook?
In today's gourmet cinema team challenge, the judges reveal that the contestants must cater for 165 cinemagoers at a very special cinema event: the screening of MasterChef Australia's Greatest Hits.
The losing team from the invention test relay challenge now face off in the pressure test. Contestants must recreate guest chef Flynn McGarry's signature dish to avoid elimination.
The losing team from the gourmet cinema challenge are now cooking to save themselves from elimination. If they survive, they will make it into the top 10.
Today's mystery box challenge contains eight of the ugliest ingredients ever seen. The contestants must impress the judges by creating a beautiful and delicious dish in only 60 minutes.
The three best performers in the Invention Test must create a dish using popcorn as the core ingredient. The winner will then need to out-cook the professional guest chef for immunity.
The contestants from the losing pub lunch challenge team must correctly name an ingredient to avoid the elimination cook-off challenge, as the contestant with the least impressive dish will go home.
The top 3 contestants from the invention test must make filled pasta with a matching sauce. The winner will then enter a cook-off for immunity against guest chef, Jake Kellie.
Today's challenge is all about the pub lunch. The contestants are split into two teams and must cook three courses for 70 people with Marco Pierre White running the pass.
In a MasterChef Australia first, today's mystery box challenge has been chosen by the viewers. Contestants have 75 minutes to create a dish using at least one ingredient chosen by the viewers.
The three contestants with the least impressive dishes from last night's Invention Test face off in the Pressure Test. The contestant with the least impressive dish will be going home.
In the final round of the judges' auditions, seven contestants all vying for the final apron must perfectly recreate Shannon Bennett's popular chocolate bar in the first pressure test of the season.
In the second judges' auditions, the amateur cooks are given one hour to cook their best dish. To receive an apron, the contestants must receive a "Yes" from all three judges.
Heston Blumenthal returns to MasterChef Australia in the biggest week ever. In a world first, the top 10 contestants open four Heston-inspired and supervised MasterChef Australia pop-ups in four days.
For one day only, Melbourne's iconic Brighton Beach Bathing Boxes become ice cream stands, selling Heston-inspired ice creams and ice blocks. The least impressive team will face elimination.
MasterChef Australia travels to the land of the cherry blossom, Japan. Contestants must explore Tokyo to find ingredients for the mystery box challenge.
Each of the eight contestants will have to conceive, cook and deliver one course as part of an eight-course Kappo-style degustation for some of Tokyo's food elite.
The winning contestants from the invention test and the Kappo challenge now have a chance to fight it out for immunity in view of Mount Fuji at the Obuchi Tea Plantation.
The contestants arrive at the food stalls of Shinjuku where they were divided into teams of three to cook three Japanese street foods to be served to 100 diners.
In today's elimination challenge, Sarah faces a game changing choice; play it safe and use her immunity pin or take the risk of fighting it out against Tamara and Callan in elimination.
In tonight's challenge, Heston inspires the contestants to create a three-course dessert spread using only the food of the Gods: chocolate. Which team will face the elimination challenge?
The MasterChef Australia competition travels to California for the week. With just a map in hand the contestants must track down today's mystery box ingredients from local San Francisco produce shops.
The three best performers in the Invention Test must now impress the judges in Round One for a chance to cook off against a professional chef and gain immunity.
Today the contestants are split into teams to run their very own food trucks at the world famous Santa Monica Pier. There is plenty at stake with the winning team guaranteed a place in finals week.
Today, four of the most impressive contestants are cooking for a guaranteed place in finals week at Francis Ford Coppola's Inglenook Estate in the Napa Valley.
Heston's restaurants are all about taking recipes from the past and giving them a modern twist. Four contestants must prepare a single course inspired by recipes from the past to avoid elimination.
The judges reveal that today's pressure test has been set by a rising star in the dessert world, guest chef Anna. The contestant with the least impressive dish will leave the competition.
It's a new week and the MasterChef Australia judges tell the 17 contestants that this week is all about realising their food dreams. Plus, past contestants return to showcase their skills.
The three contestants in today's pressure test see former MasterChef Australia season four contestant Kylie Millar enter the kitchen. Plus, we say goodbye as one contestant will cook their last dish.
The three best performers in the invention test are today vying for immunity. The winner of round one will cook off against MasterChef Australia season two runner-up Callum Hann.
Today's challenge is to cook Mexican street food for a huge crowd of 500 guests, with three and a half hours to prepare and ninety minutes to serve as many people as possible.