Danny Dingle: menace to his neighbours and threat to their pets is back! When a routine freeze-ray demo leads to the death of Mr Nesbit’s prize-winning chameleon, Danny and Percy are sent to jiu-jitsu lessons to ‘learn some discipline’ – YAWN! Instead, their friendship is tested as never before. Can building the world’s greatest killer robot bring them – and the whole class (EVEN twit-faced Gareth Trumpshaw) – together?