Kicking off nostalgia-themed week in the MasterChef kitchen, social media sensation chef Dim Sim Lim sets a 60-minute mystery box challenge requiring a steamed element.

MasterChef Australia Season 18 Episodes...

• s18e01 - Auditions: Group 1
• s18e02 - Auditions: Group 2
• s18e03 - Auditions: Second Chance
• s18e04 - Mystery Box Challenge: Jimmy Barnes
• s18e05 - Elimination Challenge: Favourite Home Dish
• s18e06 - Invention Test: Cereal
• s18e07 - Pressure Test: Maggie Beer
• s18e08 - Immunity Challenge: Ultimate Breakfast
• s18e09 - Elimination Challenge: Quick Carb Midweek Dinner
• s18e10 - Team Challenge: Family Feast
• s18e11 - Elimination Challenge: Family Food Traditions
• s18e12 - Mystery Box Challenge: Catherine Zhang
• s18e13 - Elimination Challenge: Viral Ingredients
• s18e14 - Team Service Challenge: Viral-worthy Dish
• s18e15 - Immunity Pin Challenge: Khanh Ong
• s18e16 - Mystery Box Challenge: Rick Stein
• s18e17 - Elimination Challenge: Cuisines from Around the World
• s18e18 - Invention Test: Fusion
• s18e19 - Pressure Test: Rosheen Kaul
• s18e20 - Mystery Box Challenge: Dim Sim Lim
• s18e21 - Elimination Challenge: Heritage
• s18e22 - Team Challenge: Team Relay
• s18e23 - Immunity Pin Challenge: French Techniques
• s18e24 - Mystery Box Challenge: Matt Sinclair vs. Daniel Dobra
• s18e25 - Elimination Challenge: Classic Flavour Pairings
• s18e26 - Pair Challenge: Peanut Butter Cup Desserts
• s18e27 - Elimination Challenge: Time or Ingredients?
• s18e28 - Mystery Box Challenge: Curtis Stone
• s18e29 - Elimination Challenge: Pork
• s18e30 - Comeback Challenge
• s18e31 - Elimination Challenge: Aussie Native Ingredients
• s18e32 - Mystery Box Challenge: Adriano Zumbo
• s18e33 - Elimination Challenge
• s18e34 - Season 18, Episode 34

MasterChef Australia Show Summary

MasterChef Australia is an Australian competitive cooking game show based on the original British version of MasterChef. Food critic Matt Preston, chef George Calombaris, and restaurateur and chef Gary Mehigan serve as the show's hosts and judges.