The Top 20 compete for Immunity from tomorrow's Elimination in a fruity Mystery Box challenge set by Catherine Zhang, marking the start of Viral Wonders Week.

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

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.