Following the adventures of three trainee engines, Koko, Wilson, and Brewster, as they learn important lessons like cooperation, perseverance and respect.
When Koko finds herself in peril, Wilson rushes to her rescue.
When Emery breaks down in the forest, it's Chug Patroller Wilson to the rescue.
Stop Koko Stop! Hanzo teaches Koko to control her new engine booster and how to brake at high speed.
Koko's speed booster malfunctions, and she speeds around Chuggington out of control.
The Chuggineers are demolishing the old cooling tower and Brewster can't wait to watch.
Wilson takes a test to assess his new skills, but he forgets something important.
A collapsed bridge traps Zack. Brewster must use all his craning skills to rescue him.
Track-Laying Brewster. The Chuggineers get trapped by a flood, and Brewster uses his new skills to help.
Koko gives the mayor an amazing tour around Chuggington.
Brewster and Koko go exploring and get stranded down a disused track.
Brewster is given the task of transporting the huge tunnel-boring machine.
Wilson helps out when Old Puffer Pete goes sleep-riding around Chuggington.
High-Rise Rescue. Hodge gets stuck high up in the air, but Wilson's clever thinking saves the day.
The chuggers make preparations for the Winter Parade through Chuggington.
Fletch is trapped in a snowdrift in the mountains and Wilson must rescue him!
When Brewster slips into the river, Wilson must get there superfast and help his friend.
When Chatsworth is stuck in a tunnel, Koko and Brewster become deputy Chug Patrollers.
Blazin' Wilson. When he runs out of water, Wilson has to think on his wheels during fire training.
Brewster has his first chuggineer test, and Wilson is on safety patrol.
Something goes wrong when the chuggineers are building a bridge.
Koko tries to break a speed record at the Chug-a-sonic Speedtrack.
Brewster and Cormac chase a runaway circular tunnel entrance through the countryside.
The Chuggineers compete with the Steam Team for the coveted Iron Chuggers title.
During training, Wilson and Chug Patrol must evacuate animals from the safari park.
Chuggineers: Ready to Build. The Chuggineers construct a mighty bridge and a very long tunnel.