Chuggington
Koko, Brewster and Wilson are three young, adventurous trainee "chuggers", learning about working on the railway in the town of Chuggington, with the help of the railway controller, Vee, the older engines, and their human friends.
6. The Big Freeze
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It's winter time in Chuggington and the Chuggers are busy making preparations throughout Chuggington for the impending Big Freeze! When the freezing temperatures cause multiple problems, it's up to Wilson, Koko, Brewster and friends to perform one winter rescue after another!