MasterChef Australia: Season 4

Episode 1: The Journey Continues 2012-05-06 | 46 min The personality is on the plate and the food is the star of the show. Network Ten's smash hit series MasterChef returns tonight and promises to excite, thrill and entertain like never before!

Episode 2: Top 50 Mystery Box 2012-05-07 | 56 min The top 50 amateur cooks will compete in the first Mystery Box challenge of the season; the judges select the top 12 who then have the opportunity to cook off in a nail-biting challenge.

Episode 3: Mornington Peninsula Farms 2012-05-08 | 50 min The top 12 contestants from last night's Mystery Box are divided into pairs to forage for their own ingredients at various farms in Mornington Peninsula to cook a sweet or savoury dish.

Episode 4: Knife Skills 2012-05-09 | 52 min MasterChef mentor Matt Moran arrives at the Royal Exhibition Building to put the contestants through their knife skills paces. They must fillet, pin bone and cook a beautiful piece of salmon.

Episode 5: Sweet Pressure Test 2012-05-10 | 56 min Thirty three contestants compete in a Sweet Pressure Test created by superstar chef Shannon Bennett. With six more aprons up for grabs, his Peach Melba dessert is a challenge to say the least!

Episode 6: Masterclass 2012-05-11 | 47 min The top 18 contestants head to Daylesford for a MasterClass. Later, Matt Moran and George teach the contestants some classic French cooking techniques.

Episode 7: French Pressure Test 2012-05-13 | 47 min After a long week of hard fought challenges the remaining twelve contestants compete in a French Pressure test to claim the last remaining spots in the Top 24. But whose dish will earn them an apron?

Episode 8: Mystery Box 2012-05-14 | 51 min Arriving at the MasterChef kitchen, the top 24 quickly learn it's 'Mystery Box' time! They raise the lid but it's not food that they find.

Episode 9: Beat the Chef! 2012-05-15 | 50 min The Immunity Challenge sees the winner of the Pressure Test try and 'Beat the Chef!' It's a battle royale as our contestant takes on superstar chef Dan Hong from the Lotus Restaurant.

Episode 10: Restaurant Team Challenge 2012-05-16 | 50 min Ever dreamed of running your own restaurant? The contestants are divided into two teams: they must take over a restaurant service in opposing restaurants in Sydney's Kings Cross.

Episode 11: Pasta Elimination 2012-05-17 | 51 min The losing team head to the MasterChef kitchen for the first elimination challenge of the season. It's all about pasta and the contestants are challenged to either 'make or break' that pasta.

Episode 12: Masterclass 2012-05-18 | 47 min Gary and George host a seafood-inspired MasterClass, while Phillipa Grogan from Phillipa's bakery in Melbourne teaches the contestants the art of breadmaking.

Episode 13: Mystery and Invention 2012-05-20 | 54 min This Mystery Box is a cracker - literally. Then later, the winner of this challenge gets to pick the key ingredient for the following Invention Test.

Episode 14: Pressure Test 2012-05-21 | 50 min Superstar chef Peter Gilmore returns with an eight layer textured chocolate cake. Talk about Pressure Test! The bottom three from the Invention Test must replicate this cake.

Episode 15: Immunity Challenge 2012-05-22 | 50 min The lucky winner from the Invention Test returns to the kitchen tonight to face off against former head chef of Tetsuya restaurant, Darren Roberston.

Episode 16: Yum Cha Team Challenge 2012-05-23 | 64 min The top 22 contestants head to Sydney's Chinese Gardens to compete in a yum cha challenge. Divided into teams, they must plan a menu, shop and cook a tasty yum cha feast.

Episode 17: Elimination Challenge 2012-05-24 | 49 min Yesterday's losing 11 contestants compete in tonight's elimination challenge. It's a taste test and cook off so this challenge is tough! After a hard fought fight one contestant is sent home.

Episode 18: Masterclass 2012-05-25 | 53 min It's a mega MasterClass tonight as Gary and Matt Moran teach the top 21 contestants about raw foods, herbs, and oils. Later Gary whips up a mushroom gnocchi and his 'Mum's Lamb Stew with Dumplings'.

Episode 19: Biscuit Mystery Box 2012-05-27 | 53 min The remaining 21 contestants return to the MasterChef kitchen to compete in a biscuit inspired Mystery Box challenge. Later it's an Invention Test Mexican style. Cactus anyone?

Episode 20: Pressure Test 2012-05-28 | 51 min The bottom three contestants from the last show arrive at the kitchen to face off in the Pressure Test. Later, three lucky contestants attend a very special private Master Class.

Episode 21: Raw Food Immunity Challenge 2012-05-29 | 49 min Sake head chef Shaun Presland takes on the winner of Sunday's Invention Test in a Raw Food Immunity Challenge. With no cooking, no heat and no gas bench tops they need to be super creative.

Episode 22: Leftover Team Challenge 2012-05-30 | 68 min The contestants split into two teams to cook for a restaurant full of discerning diners, all with leftover ingredients collected from top Sydney restaurants.

Episode 23: Poultry Elimination 2012-05-31 | 54 min We say goodbye to another contestant after a hard fought poultry elimination challenge. They must name that bird then cook that bird. Quail, duck, chicken and turkey are served up.

Episode 24: MasterClass 2012-06-01 | 55 min Gary kicks off the MasterClass with mouth-watering barbecue chicken and is later joined by special guest chef Jason Jones who teaches the contestants how to serve up the perfect Mexican feast.

Episode 25: Flavour Matching Mysterybox 2012-06-03 | 43 min 19 contestants arrive at the MasterChef Kitchen for a flavour matching 'Mystery Box' challenge. With everyone eager to impress the judges, one contestant pushes himself too far and burns his hand.

Episode 26: Market Stall Competition 2012-06-04 | 54 min The contestants arrive in Tasmania for a market stall competition, where they are divided into four teams. The teams must run their own take away market stall and create their own unique dish.

Episode 27: Fishing Boat Salmon Challenge 2012-06-05 | 46 min With the chance to compete in tonight's immunity challenge, the winning teams from last night's market stall must first compete against each other in a fishing boat salmon challenge.

Episode 28: Tea for 100 Team Challenge 2012-06-06 | 64 min The contestants are divided into two teams, and are challenged to create, make and bake an afternoon tea for 100 guests. It must include four dishes - a scone, a pastry, and two of their choice.

Episode 29: Knockout Round Elimination 2012-06-07 | 52 min The nine contestants cook for their MasterChef lives through a series of three knockout round challenges. A typical Pub lunch is on the menu - steak, onion rings and more.

Episode 30: MasterClass 2012-06-08 | 52 min Gary goes into chef mode when he puts himself up against the clock in a 30 minute real time challenge. Later Gary is joined by Lorraine Pascale of Ella's Cupcake in Covent Garden.

Episode 31: Mystery and Invention 2012-06-10 | 54 min After a fun filled week in Tasmania, tonight the contestants head back to the MasterChef kitchen for a classic Mystery Box and Invention Test challenge.

Episode 32: Pressure Test 2012-06-11 | 49 min Greek salad is not as simple as it seems, particularly when it's been created by George! The three contestants in tonight's elimination challenge have three and a half hours to cook.

Episode 33: Immunity Challenge 2012-06-12 | 53 min MasterChef welcomes iconic chef and culinary legend Jamie Oliver to the kitchen.

Episode 34: 24 Hour Cooking Challenge 2012-06-13 | 66 min Tonight the contestants head to the Shangri La Hotel for a mammoth 24 hour cooking challenge that will push them to their limits. Divided into two teams, they must work shifts to cover all meals.

Episode 35: Rapid Fire Pressure Test 2012-06-14 | 49 min The losing team from last night's 24 hour cooking challenge return to the MasterChef kitchen for a 'rapid fire' pressure test.

Episode 36: Masterclass 2012-06-15 | 53 min Gary and George's MasterClass serves up lamb ribs, apple strudel and quail.

Episode 37: Superstar Mystery Box 2012-06-17 | 48 min MasterChef winning alumni Julie Goodwin, Adam Liaw and Kate Bracks return to the MasterChef kitchen for a superstar mystery box challenge. Who will win on the night?

Episode 38: Pressure Test 2012-06-18 | 48 min The pressure test challenges three contestants to cook a perfect quiche Lorraine. All three contestants are determined to stay in the competition so they are quick to get down to business!

Episode 39: Immunity Challenge 2012-06-19 | 50 min The Mystery Box winner is eager to win an immunity pin. To win they must beat former Billy Kwong Chef, Hamish Ingham from Bar H. With a choice of tea or coffee as the core ingredient.

Episode 40: Wedding Challenge 2012-06-20 | 68 min Matt Preston reveals to the contestants that they will be catering for a Sri Lankan wedding! The Bride and Groom have invited 450 guests to their traditional Hindu wedding, which is purely vegetarian.

Episode 41: Elimination Challenge 2012-06-21 | 52 min The losing team from the wedding challenge faces off in a cake based elimination challenge, where they are served up 32 cakes, and must taste then name each cake.

Episode 42: Masterclass 2012-06-22 | 51 min Gary and Matt Moran head up a MasterClass of French onion soup, roast chicken and yummy pork belly with noodles. Later we learn the art of baking classic cakes with chef Philippe Mouchel.

Episode 43: Mystery Box Challenge 2012-06-24 | 52 min In a special Mystery Box Challenge the contestants quickly learn that they must warm the cockles of the judges' hearts with a tasty soup.

Episode 44: Elimination Challenge 2012-06-25 | 48 min The bottom three contestants from the Invention Test must now cook for their lives in the Elimination Challenge, with Christine Manfield's classic smoked trout.

Episode 45: Immunity Challenge 2012-06-26 | 47 min Rum and raisin is a classic combination, but will it be a perfect match for our contestant in the Immunity Challenge? Chef Daniel Wilson also joins the kitchen.

Episode 46: Team Challenge 2012-06-27 | 70 min It's time to get back to basics with a homely team cooking challenge. Separated into three teams, they are invited into a suburban home, where they must cook for two neighbours.

Episode 47: Elimination Challenge 2012-06-28 | 52 min Arriving at the MasterChef kitchen for the immunity challenge, the eight contestants from the losing team quickly learn that they must compete in three quick fire cook-offs.

Episode 48: Masterclass 2012-06-29 | 53 min George, Matt Moran and Gary showcase the best food Kangaroo Island has to offer. Expect tips on cooking with lamb, marron and chicken. Then we end the night with a taste of honey.

Episode 49: Invention Test 2012-07-01 | 51 min After a trip to Kangaroo Island the contestants get back into the kitchen & discover there is no Mystery Box. Instead they find themselves in an Invention Test with guest chef Heston Blumenthal.

Episode 50: Pressure Test 2012-07-02 | 50 min Three contestants from the Invention Test must face a Pressure Test like no other. The contestants have two hours to make a cake specially created by renowned Pastry Chef Vincent Gadan.