James is super focused while he's working on a dish using the apples from the Mystery Box Challenge.

A contestant on Masterchef slices up apples as they prepare a dish for the Apple Mystery Box Challenge.

Sav picks out some apples for a dish she intends to impress the judges with during the mystery box challenge.

The chefs experience their first mystery box challenge and it's a challenge with apples as the ingredient.

It's time for the Mystery Box on MasterChef. "Apple Mystery Box" is the sixth episode of the show's 13th season.