Chuggington Season 4

When Koko is in peril at Rocky Ridge Quarry, Wilson races to her rescue.

Wilson has to rescue a broken down Emery from the forest.

Koko learns to use how to brake at high speeds and Brewster learns that he has a good eye for track-laying.

Brewster tells Koko and Wilson that he is making ballast with Speedy McAllister. Koko then goes to practise with Hanzo, she practises letting go of her carriages in emergencies.

Brewster must take the mining equipment to the site, but when his pulling team is taken away, he will need to find a way to help his replacements

Wilson helps out when Old Puffer Pete goes sleep-riding around Chuggington.

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 act super-fast and help his friend.

The Chug Patrollers rescue Eddie from the side of a bridge using a banner as a sling.

When he runs out of Water, Wilson has to think on his wheels during fire training.

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.

The Speed Fleet, Chug Patrol and the Chuggineers compete in the Track Dash fun race.

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.