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'. The 4 O'Clock Club's Khalil Madovi, Akai Osei and Ruby Morgan take on two more teams of young scientists. The Guinea Pig has to try to pop 200 balloons in under a minute using the teams inventions. Show less