The TWO Challenge. Split into teams of two, contestants select two ingredients from two pantries, but can't see what their teammate is choosing. Teams will cook a dish using their four ingredients for a shot at immunity.
Joh meets a family who have made comfy socks their business. Graham shares his favourite plants for the winter. Fast Ed cooks a warm gingerbread sponge stack.
It's Heat 3, and teachers are introduced as an extra obstacle for the fearless teens who are looking to fight back after they struggled in Heat 2; an exciting bunch of new Ninjas take to the course.
The MasterChef contestants face an unexpected twist in tonight's Invention Test as the competition gets tougher and one contestant will end their time in the kitchen.