Chuggington Season 1 is an animated comedy series that follows the adventures of three very curious trainee chuggers on their journey to fulfill their dreams of being the best engines in their town.

Koko and Brewster are going to the forest to pick up some wood and take it to the paper mill. Wilson wishes he could go, but he has to pick up a roll of special paper for the printers. In the forest, ...

Koko decides to try for the High Speed badge - something no trainee has ever won. Emery wishes he still earned badges like the trainees do. For fun, he plays a 'pretend badge' game with Hoot and Toot, ...