Two teams take on three scientific challenges based on mass, fossils and the solar system. Ayo and Sam learn about the importance of exercise to keep the body and mind healthy.

Two teams touch down at STARS to take on three scientific challenges based on buoyancy, shadows and structures. Sam and Ayo compete to see who can make the best model rocket.

Two teams take on three scientific challenges based on senses, fossils and gravity. Ayo and Sam recreate different types of Earth weather using items around the lab.

Two teams take on three scientific challenges based on mass, healthy eating and recycling. Sam and Ayo must fix the supercomputer by giving it a list of coded instructions.