One Small Step 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 has a significant advantage in the elimination challenge, when the contestants is tasked with creating a stunning and delicious fish dish in order to move onto the next round.