It's the famous Beanotown Freewheeler Derby! During practice, the gang realize Walter's go-cart is especially speedy. Worried that Walter will beat his record, Dennis creates a lighter, faster cart but loses control and injures himself. It is up to Rubi's wheelchair know how and Dennis' super-speedy carting skills to win the race.
Series 1: 38. Bertie's Backbone
Dennis and the gang train Bertie in the art of standing up to people so he can rebel against Walter's bossiness - but they train him too well and he becomes a dangerous reb ...
Series 1: 37. Grizzly's Great Outdoors
A snake bite causes Grizzly Griller to forget all his survival know-how, so it's down to his greatest fan Dennis to help him re-learn his survival skills and help them all ...