MasterChef Junior - Season 4 Episode 3 -

The Top 20 junior home cooks face an out-of-this-world Mystery Box challenge with special guest astronaut Tracy Dyson, during which they must prepare a unique dish that highlights a stellar ingredient. The one who rockets to the top will have a significant advantage in the elimination challenge, when the contestants will be tasked with creating a stunning and delicious fish dish in order to move onto the next round.