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.
Rescue at Rocky RidgeWilson saves Koko from a collapsing mine, proving that he is the brave new hero of the rails.
Wilson's Forest Flare
E2
Wilson's Forest FlareWhen Emery breaks down in the forest, it's Chug Patroller Wilson to the rescue.
Stop Koko Stop
E3
Stop Koko StopKoko learns to use how to brake at high speeds and Brewster learns that he has a good eye for track-laying.
Runaway Koko
E4
Runaway KokoBrewster 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 Makes Tracks
E5
Brewster Makes TracksThe Chuggineers demolish an old cooling tower and Brewster cannot wait to see it come down, but an urgent job means he may miss the explosion.
Chief Wilson
E6
Chief WilsonWilson's new Chug Patrol skills are put to the test, but things go awry when he forgets something important.
Back Up Brewster
E7
Back Up BrewsterZack becomes trapped when an old rickety bridge collapses, prompting Brewster to use all his craning skills to lift him safely out of the high tunnel.
Track Laying Brewster
E8
Track Laying BrewsterZack, Tyne, and Fletch get stranded by some washed out tracks due to a heavy flash flood.
Explorer Koko
E9
Explorer KokoMayor Pullman and her guests are to take a tour of Tootington and Koko must get them there in time. Unfortunately, her carriage suffers from mechanical failure and then has to take several detours. Will she get there in time?
The Old Silver Mine Line
E10
The Old Silver Mine LineBrewster and Koko get stranded on the opposite side of a broken track that the Chuggineers are repairing.
Brewster Leads The Way
E11
Brewster Leads The WayBrewster 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
Park Patroller Wilson
E12
Park Patroller WilsonWilson helps out when Old Puffer Pete goes sleep-riding around Chuggington.
High Rise Rescue
E13
High Rise RescueHodge gets stuck high up in the air, but Wilson's clever thinking saves the day.
Winter Whiteout
E14
Winter WhiteoutThe chuggers make preparations for the Winter Parade through Chuggington.
Snow Patrol
E15
Snow PatrolFletch is trapped in a snowdrift in the mountains and Wilson must rescue him!
Fearless Wilson
E16
Fearless WilsonWhen Brewster slips into the river, Wilson must act super-fast and help his friend.
Special Rescue Team
E17
Special Rescue TeamThe Chug Patrollers rescue Eddie from the side of a bridge using a banner as a sling.
Deputy Chug Patrollers
E18
Deputy Chug PatrollersWhen he runs out of Water, Wilson has to think on his wheels during fire training.
Blazin' Wilson
E19
Blazin' WilsonWhen he runs out of Water, Wilson has to think on his wheels during fire training.
On Track Brewster
E20
On Track BrewsterBrewster has his first chuggineer test and Wilson is on Safety Patrol.
We Are the Chuggineers
E21
We Are the ChuggineersSomething goes wrong when the chuggineers are building a bridge.
Team Trainee
E22
Team TraineeThe Speed Fleet, Chug Patrol and the Chuggineers compete in the Track Dash fun race.
Record Breaker Koko
E23
Record Breaker KokoKoko tries to break a speed record at the Chug-a-Sonic Speedtrack.
Tootington Tunnel
E24
Tootington TunnelBrewster and Cormac chase a runaway circular tunnel entrance through the countryside.
Iron Chuggers
E25
Iron ChuggersThe Chuggineers compete with the Steam Team for the coveted Iron Chuggers title
Roundup Wilson
E26
Roundup WilsonDuring training, Wilson and Chug Patrol must evacuate animals from the Safari Park.
Cast of Season 4
Sacha Dhawan
Imogen BaileyKoko
Andy Nyman
Paul DoddsZack
Steve DevereauxHowie
Dai TabuchiHanzo
Edward SharpeWilson
Toby DaviesBrewster
Warren ClarkeSpeedy McAllister
Colin McFarlaneHarrison
Brigid HarringtonKoko
Watch Season 4 Videos
Chuggington: Chuggineers Ready To Build
Chuggington: Chuggineers Ready To BuildTrailer
Chuggington: Chuggineers Ready To Build: The Bridge Is Built
Chuggington: Chuggineers Ready To Build: The Bridge Is BuiltTrailer
Chuggington: Chuggineers Ready To Build: We Are The Delivery Team
Chuggington: Chuggineers Ready To Build: We Are The Delivery TeamTrailer
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