1. Episode 1

A new group of amateur chefs from all across Australia enter the MasterChef kitchen!

2. Episode 2

Guest star Jamie Oliver challenges the chefs to create a delicious dish in just 15 minutes.

3. Episode 3

Jamie Oliver has left behind four secret flavor bombs for the chefs to cook with. But there's a catch...

4. Episode 4

The contestants utilize Shannon Bennett's fridge for a shot at immunity.

5. Episode 5

In the first elimination challenge of the season, the contestants must cook a dish from their favourite childhood memory.

6. Episode 6

Poh Ling Yeow presents the season's first mystery box challenge: creating a winning dish with basic staples and little other ingredients.

7. Episode 7

Emelia Jackson, former MasterChef winner and the master of cooking desserts, shares some secret tips with the contestants.

8. Episode 8

Two teams, aided by mentors Matt Sinclair and Sashi Cheliah, compete in the first Service Challenge, cooking an entrée and main for thirty diners.

9. Episode 9

Contestants turn Andy's spit-roasted chickens into an incredible dish, with the winner facing Three Blue Ducks chef Darren Robertson for immunity.

10. Episode 10

Julie Goodwin returns with a seafood stew challenge. Pick a wrong ingredient and you must battle to avoid elimination using only Julie's recipe items.

11. Episode 11

The greatest Mystery Box in MasterChef history is unveiled during Big Week. Competitors must think creatively and play with flavour to win the round.

12. Episode 12

Three contestants face a Pressure Test, striving to replicate Eddie Stewart's Tokyo Lamington Tower with Snickers, strawberry matcha and yuzu curd!

13. Episode 13

Thousands descend on Melbourne's Grazeland for a feed. Two teams vie for a chance at immunity as they face a massive service challenge.

14. Episode 14

Competitors seek an immunity pin using a mystery appliance. The winner gets first pick of flavour pairings as they face chef Sergio Perera.

15. Episode 15

The chefs embark on a two-day challenge with 45 minutes to marinate on day one. After 14 hours, they have one hour to finish their dishes.

16. Episode 16

Contestants try to impress judges by elevating breakfast cereals into nostalgic classics, with a pressure test awaiting the worst cereal offenders.

17. Episode 17

Guest chef Donato Toce unveils his Viennetta ice cream cake. The chefs in the stress test must keep their cool to recreate the nostalgic dessert.

18. Episode 18

Two teams try to create a banquet at a suburban Chinese restaurant, seeking a chance at immunity as they present their plates to the judges.

19. Episode 19

It's the immunity challenge. Round one demands a flambéed element in every dish. Round two pits the chefs against French foodie Gabriel Gate.

20. Episode 20

It's the final day of Nostalgia Week and elimination day. Contestants arrive to find the MasterChef kitchen transformed into a seventies style lounge.

21. Episode 21

It's home cooks vs. pro cooks in a culinary smackdown as three contenders go toe-to-toe with Jacqui Challinor and her Nomad Restaurant warriors.

22. Episode 22

Three home chefs duel Nick Holloway's Nu Nu crew. Khanh Nguyen, gifted chef of Aru and Sunda Restaurant, is the creator of this stress test.

23. Episode 23

Only six remain as contestants go head-to-head with pros. Adi, Cath and Declan face off against decorated chef Louis Tikram and his team.

24. Episode 24

The cooks are challenged with knocking Jock's socks off in an around the clock challenge; three cooks face the chopping block against Serai's flock.

25. Episode 25

The home cooks compete in a grueling two-part aquatic challenge designed by seafood master Rick Stein and centered around squid.

26. Episode 26

Contestants go fishing with renowned chef Josh Niland, who teaches them his unique skills before throwing a John Dory Mystery Box challenge their way.

27. Episode 27

A saucy twist ensures stiff competition as the bottom three must replicate iconic chef Luke Nguyen's zesty pho without a recipe.

28. Episode 28

Superstar Curtis Stone visits the kitchen to motivate two teams facing off in a massive Service Challenge to create next-level root vegetable dishes.

29. Episode 29

The contestants take part in a condiment cook-off, with the tastiest condiment winning its maker immunity and being put on Coles supermarket shelves.

30. Episode 30

Maggie Beer visits the kitchen to inspire the contestants as they prepare to battle it out in a two-round Elimination Challenge.

31. Episode 31

The top nine contestants surprise Jock, Andy and Melissa by turning the tables on them in the Mystery Box Challenge.

32. Episode 32

Chef Nelly Robinson's magical dish, Mr McGregor's Garden, lands three contestants in the Pressure Test, where one will face elimination.

33. Episode 33

The contestants go head-to-head in a Greek Service Challenge at the National Gallery of Victoria's Temple of Boom.

34. Episode 34

The lucky contestant to brew the perfect sweet coffee dish will move on to battle it out with a famous pastry chef from The Ritz-Carlton.

35. Episode 35

It's a color palette for the palate with a pearl of a taste test to set the tone.

36. Episode 36

To plate a meal, contestants must use every component from the terrifying Everything Box.

37. Episode 37

Clare Smyth of Sydney's Oncore Restaurant puts participants through their pressure test paces.

38. Episode 38

On the grounds of O.MY Farm, the contestants search for the hero ingredient of a dish before becoming aware of the course that they'll be preparing.

39. Episode 39

In the Immunity Challenge, the judges are listening out for the loudest dish that not only provides delectable taste but also aural pleasure.

40. Episode 40

Chocolatier and consummate pastry chef Kirsten Tibballs presents a dessert-based Elimination Challenge over two rounds.

41. Episode 41

The top five contestants compete for a chance at immunity in the next Immunity Challenge with an open garden and an open pantry at their disposal.

42. Episode 42

The contestants travel to All Saints Estate and engage in a classic Time Auction. They then have a bidding war for ingredients.

43. Episode 43

The contestants are in Mexico, the cactus country, for their Immunity Challenge, where they prepare a great Mexican dish to win immunity.

44. Episode 44

The contestants face a three-course service challenge, featuring their chosen grain from the Murtoa Stick Shed.

45. Episode 45

Contestants go head-to-head with a set amount of time to cook a dish featuring either anchovies or Dijon mustard.

46. Episode 46

Contestants feel the love in a tear-jerker of a mystery box. Hearts and souls will go into the contestants' versions of their family's favourite dish.

47. Episode 47

Contestants must perfectly replicate an intricate seafood dish by Chef Peter Gilmore without using a recipe.

48. Episode 48

The final three must keep up with Curtis Stone as he whips up a magnificent beef dish.

49. Episode 49

The top three must create an entree, main course and dessert for a hungry crowd of diners and judges.

50. Episode 50

It's Grand Finale Day, and whichever cook scores the most points across two rounds will lift the trophy aloft.