Episode
MasterChef Australia: Mystery Box Challenge: Catherine Zhang
Overview
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
Details
- Series
- MasterChef Australia
- Season
- Season 18
- Episode
- Episode 12
- Air date
- 2026-05-10
- Runtime
- 59 min
Episode context
Mystery Box Challenge: Catherine Zhang is Episode 12 in Season 18 of MasterChef Australia. It aired on 2026-05-10. The runtime is 59 min.
Previous / Next
Episode 11: Elimination Challenge: Family Traditions
Six contestants face elimination as they must create a dish that represent their family food traditions to fight for their place in the competition.
Episode 13: Elimination Challenge: Viral Ingredients
Viral sensation Victoria Minell (aka @recipesbyvictoria) sets a challenge to use one of her five viral ingredients in a 75-minute cook to save their place in the competition
More episodes from this season
Episode 10: Team Challenge: Family Feast
It is the first team challenge of the series, and the contestants are all eager to see how well they can work together. The bottom two teams will find themselves in the elimination the following day.
Episode 14: Team Service Challenge: Viral-worthy Dish
Six teams will compete in their first service challenge, tasked with creating one perfect viral-worthy dish to serve to hundreds of diners, and impress a mystery social media-star critic
Episode 9: Elimination Challenge: Reinventing Carbs
In an elimination challenge centred on reinventing the judges' quick carb midweek dinner recipes, mistakes and time pressure sends one cook home.
Episode 15: Immunity Pin Challenge: Khanh Ong
MasterChef alum and social media star Khanh Ong sets an epic challenge to create a bold, out-there sandwich with a banging cross section, to win the first immunity pin of the season
Episode 8: Immunity Challenge: Andy Cooks
It's Family Favourites week and social media sensation Andy Cooks (chef Andy Hearnden) is on the hunt for the ultimate breakfast, in an immunity challenge cook with 60 minutes on the clock.
Episode 16: Mystery Box Challenge: Rick Stein
It's the start of Around the World Week, and global food icon Rick Stein joins the MasterChef Kitchen to set an extra spicy Mystery Box challenge
Episode 7: Pressure Test: Maggie Beer
The bottom five cooks from the Invention Test face off in a Pressure Test set by MasterChef favourite Maggie Beer, tasked with mastering her signature sour cream pastry in a high-stakes pie challenge.
Episode 17: Elimination Challenge: Cuisines from Around the World
In an Around the World elimination challenge, MasterChef contestants must create a dish inspired by a chosen cuisine, featuring a surprise hero ingredient revealed only after they commit
Episode 6: Invention Test: Cereal
It's the return of a MasterChef classic with an Invention Test challenging cooks to create an inventive dish using cereal.
Episode 18: Invention Test: Fusion
It's a fusion invention test today with the contestants having to make dish featuring cuisines from two countries