The trainee trains learn to ride the rails by taking on exciting challenges.
During training, Wilson and Chug Patrol must evacuate animals from the safari park.
The Chuggineers compete with the Steam Team for the coveted Iron Chuggers title.
Brewster and Cormac chase a runaway circular tunnel entrance through the countryside.
Koko tries to break a speed record at the Chug-a-sonic Speedtrack.
Speed Fleet, Chug Patrol and the Chuggineers compete in the Track Dash fun race.
Something goes wrong when the chuggineers are building a bridge.
Brewster has his first chuggineer test, and Wilson is on safety patrol.
When he runs out of water, Wilson has to think on his wheels during fire training.
When Chatsworth is stuck in a tunnel, Koko and Brewster become deputy Chug Patrollers.
The Chug Patrollers rescue Eddie from the side of a bridge using a banner as a sling.
When Brewster slips into the river, Wilson must get there superfast and help his friend.