Science-based game show in which science-monkey superhero Dr Brain pits children and CBBC celebrities against one another in a series of scientific tasks and conundrums designed to discover the ultimate brain.

Stars of the series Friday Download - Molly Rainford, Leondre Devries and Charlie Lenehan - take on two young teams in a mash up of science, entertainment and insanity. Guinea Pig tries to battle the flow of rainwater coming through holes in the studio's ceiling! Show less