Ultimate Brain is a British game show on CBBC about science. It is hosted by Duncan Wisbey as Dr. Brain, a monkey scientist and stars Imran Yusuf as Guinea Pig (also known as GP). Series 1 began on 26 June 2014, series 2 began on 15 August 2015 with a new set and series 3 began on 23 July 2016. It is Zig Zag Productions' first children's series.