Masterchef Australia: Season 10, Episode 20

10 - 20: Mystery Box Challenge: 20 Dollars & Invention Test: Team Relay

Contestants are shopping for their own mystery box ingredients with only $20 and 20 minutes. Maker of the best dish goes through to the immunity challenge, followed by the winners of the invention test. This will be the most feared challenge: The Team Relay. What will Ben do that will make or break his team? What will be the big surprise in the mystery box?