Rubi gets a place in a Summer School for Super Smart Kids, which turns out to be one of Walter's tricks so he can learn the secrets of her new invention.
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 ...