MasterChef Australia

A group of 24 returning contestants arrive at the MasterChef kitchen for another shot at the trophy, starting with a team service challenge - and a huge prize up for grabs.

The cooks must work at record pace all through a Keeping Up with Gordon challenge to deliver two of his dishes as they compete for the only immunity pin of the season.

To win immunity and a chance to see their dish added to the menu at Gordon's new London restaurant, the chefs must create an elevated version of their favourite late-night snack.

After watching an emotional video documenting their MasterChef journeys, the chefs must bring a dish that best represents who they are now as they come back to win.

MasterChef royalty Peter Gilmore presents a Mystery Box packed with ingredients from some of his most iconic dishes, from the world-famous Snow Egg to the decadent Chocolate Ethereal.

It's the first pressure test of the series - and it's a big one. Guest judge Kirsten Tibballs has created a dessert so special that it will require a Midas touch to master it.

Legendary Australian chef Shannon Bennett inspires the contestants with his quick-fire cooking skills, and they must create their own immunity-winning dish in just 20 minutes.

The cooks take part in MasterChef's infamous one-inch cube taste test - but there's a twist! This time, they're in teams, with one person's palate responsible for everyone's fate.

Today's Mystery Box challenge sees the chefs enter the kitchen to find the judges' four fridges. They must select one and use the ingredients inside to create a dish in 75 minutes.

Four chefs compete for immunity, and have one hour to recreate Curtis Stone's dish of pork loin, citrus beurre monte, braised fennel, pistachio dukkah and carrot puree - without a recipe!

Four teams have two hours to cook a main and dessert in a service challenge led by Jean-Christophe. One dish must be a French classic, and the other a French classic with a twist.

The cooks have 75 minutes and access to an open pantry to present a dish with an element of tableside theatre that wows the judges and keeps them safe from elimination.

The contestants face off in a mystery box challenge - with a twist. Instead of having components to use inside it, this box has ingredients wrapped around it!

Renowned pastry chef Steven He from Le Yeahllow delivers a magical pressure test with his Balloon Puppy Cake.

In Sydney, the contestants are divided into three teams for a pub-inspired service challenge at Squires Landing - but only half of the team will be in the kitchen at one time.

'Fish King' Josh Niland demonstrates his creative take on Surf and Turf, and the contestants must create their own modern interpretation, using both meat and seafood.

Chef and author Ixta Belfrage unveils a Mystery Box bursting with her favourite produce, including a secret ingredient the contestants must incorporate almost halfway into the cook.

Today's pressure test raises the bar with the contestants tasked with recreating guest chef Blayne Bertoncello's highly-technical dessert, not once, but in five consistent dishes.

It's the classic MasterChef team-relay challenge, and four teams must compete to create a savoury dish that uses potatoes in at least two ways.

The contestants are met by a bust of judge Jean-Christophe Novelli - made entirely of butter - and must create a dish celebrating butter, with 75 minutes on the clock.

The contestants must create a dish that would make a traditional Italian nonna proud, under the watchful eyes of viral comedy trio Sooshi Mango.

Contestants face a pressure test designed by former Dessert Masters winner and pasty chef John Demetrios and, needless to say, it's going to be a sweet mountain to climb.

It's Viral Week and the contestants are vying for immunity once again as they create the ultimate 'scrollable' deli meats sandwich followed by a viral dish mash-up.

Online superstar Andy Cooks (chef Andy Hearnden) sets two viral challenges: first, the contestants must create an epic cheese pull, and the bottom five must then make a 'satisfying slice'.

Today's Mystery Box test is a head-to-head battle between each pair of cooks fatefully matched with the same Lee Kum Kee sauce, as they fight for a spot in the immunity challenge.

Seven cooks design their own pressure test inspired by seven different Connoisseur ice cream flavours, and have two hours to come up with a show-stopping creation and win immunity.

It's a Dough-Fest in the MasterChef garden! The chefs test their teamwork in an epic service challenge and have four hours to cook a dough-based savoury and sweet dish to feed the masses.

Renowned Malaysian chef Junda Khoo sets a challenging laksa taste-test where the chefs must guess the ingredients in his complex curry and use them to create their own dish.

It's the very first day of Sweet Week, and the remaining contestants must take their cue from a very gooey mystery box lift and incorporate an element of 'goo' into a dessert.

Poh sets a Sweet Week pressure test with not one, but three of her extraordinary desserts for the cooks to replicate. It's the ultimate baking battle with the winner securing immunity.

As Sweet Week continues, the contestants enter the MasterChef kitchen to find colourful glistening gems sitting on stands - it's a taste test, and each of the gems are made from jelly.

As Sweet Week draws to a close, the remaining chefs are tasked with creating a nostalgic dish that transports the judges back in time and makes them feel like kids again.

Chef Nornie Bero presents a Mystery Box Challenge involving native Australian ingredients like emu fillet, yabbies, pepper berries, strawberry gum, saltbush, pearl onions and sunrise limes.

Aussie legend Curtis Stone returns for a slow cooked lamb and raviolo cook-along, which descends into chaos as a homemade ricotta derails some contestants multiple times.

Curtis Stone returns for the second night in a row and sets up the ultimate challenge: to create a winter warmer ice-cream and pair it with a dessert.

The remaining contestants juggle twelve sets of ingredients to make it into the Top 10 in a challenge set by Australian culinary legend Maggie Beer.

The Top 10 face a Mystery Box containing an air fryer that they must use cook a delicious dish for the judges - ovens are strictly not allowed.

It's an elimination pressure test, and the contestants must recreate guest pastry chef Philip Khoury's plant-based dessert 'Dawn of a Tropical New Day'.

In a two-round immunity challenge, contestants are split into three teams of three and must choose a champion to represent the team.

In a travel-themed challenge, the contestants have up to 75 minutes to create a dish inspired by a country that Qatar Airways flies to.

Contestants arrive in Doha, and for their first challenge of the trip it's a mystery box with local ingredients where the top two dishes will win immunity.

Inspired by the array of cultural sights and sounds in Doha, Qatar, the contestants prepare an elegant fine-dining menu.

On their last day away, the cooks face a final immunity challenge, with one last chance to secure safety in the competition.

An emotional 'dual duel' sees two pairs going head-to-head before an ultimate one-on-one.

The last seven contestants must deal with a Mystery Box filled with garlic - and another secret ingredient!

Three contestants face a pressure test set by Michelin-starred chef Michael Wilson, to recreate his incredible Marguerite Opera dessert, nicknamed 'The Tower of Terror'. S17 Ep46

Contestants get one more shot at immunity in an Alphabet Lucky Dip Challenge. S17 Ep47