After a fun filled week in Tasmania, tonight the contestants head back to the MasterChef kitchen for a classic Mystery Box and Invention Test challenge.
| Title | Mystery and Invention |
|---|---|
| Genres | Reality |
| Release Date | 2012-06-10 |
| Episode Runtime | 01 Hours 15 Minutes |
| Season Number | 4 |
| Episode Number | 31 |
| Production Companies | EndemolShine Australia |
