Power-hungry tiny alien Empress Miasma takes control of Gnasher from the inside and uses him in her attempts to take over planet Earth. But when Miasma breaks out of Gnasher into Beanotown for real and Walter helps her grow in size, mayhem really takes hold!
Series 1: 51. Dennis And The Beanostalk
A massive Beanostalk sprouts up in Beanotown, taking all the gang’s Christmas stuff – and Gnasher – up beyond the clouds to a land of giants! Dennis and the Ga ...