I Am Dale Earnhardt

Ezra is outraged when everyone's treat day lunch orders are replaced with healthy food and insists on tracking down the culprit.

Sixteen gifted children, led by quizmaster Dr Susan Carland, will display their brilliant minds and amazing memories in the first of the heats that celebrates the academic achievements of Australian children.

The Inbestigators promise to help when Toby's birthday invitation to friends is mysteriously copied and distributed to the entire class.