Chuggington follows the humorous adventures of Koko, Wilson, and Brewster, three trainee engines each with their own unique personality. Rounding out Chuggington's cast of characters is a modern, ...

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, ...