Episode 1
Koko’s confidence is shaken after she gets in an accident. Scared and second-guessing herself, will she be able to regain her speed in time to help save Wilson and Brewster from trouble?
Episode 2
When Brewster’s hero can’t make it for Hero Day, he and Zephie set off on their own hero duty and learn what makes a real hero along the way.
Episode 3
Wilson is excited about being the new voice of Radio Chuggington, but when the chuggers decide to see a movie over listening to his radio stories, he exaggerates a news story that causes the town to panic!
Episode 4
Mtambo enlist Wilson's help to feed the animals at Safari Park. Now if only Wilson could remember what food to feed which animal! With Koko and Brewster's help, Wilson learns just how important it is to pay attention.
Episode 5
When a fancy new ice cream machine comes to Chuggington, Frostini feels left behind and goes in search of his true passion.
Episode 6
Koko has Old Puffer Pete feeling like his old ways are methodical and too slow. Does Old Puffer Pete have what it takes to save the day when an ice cream emergency strikes and new technology is put to the test?
Episode 7
Detective Brewster works to help Wilson find Koko’s award ribbon that Wilson secretly borrowed and then lost! Will they be able to find Koko’s award before she finds out Wilson lost it?
Episode 8
When Mtambo takes Koko, Piper and Hodge on a night tour through Safari Park, Koko discovers a new world of Chuggington that glows in the dark.
Episode 9
When a new chugger Rosa comes to Chuggington, the trainees try to help her find a job that she will love in her new city.
Episode 10
When a snow storm comes to Chuggington, Wilson and Brewster get caught out in the cold and must work together to make their way home.
Episode 11
Wilson's long-time trusted wagon is falling apart! Will Wilson roll with his long trusted wagon until the wheels fall off, or can his chuggtastic friends convince him to retire 'wag-a-lagon' before it's too late?
Episode 12
Koko let her excitement get the best of her and stayed up all night! Can Brewster and Wilson honk Koko awake in time for her to take the Mayor to a special ceremony at the docks?
Episode 13
Piper loves to play! But when the Trainees are given a job to do, playtime is cut short. Can Wilson, Koko and Brewster get Piper to put a pause on playtime in order to make their delivery to Safari Park?
Episode 14
Koko gets a hydraulic power booster upgrade to make her super strong. Her newfound strength brings disastrous consequences for Chuggington.
Episode 15
Wilson goes for the gold to find out what he’s best at as all of Chuggington is celebrating and competing in the Chuggtastic Games!
Episode 16
Wilson struggles at being a good chief when he puts together his own Junior Chug Patrol Crew with Zephie, Piper and Hoot & Toot.
Episode 17
With guidance from the ever-wise Hanzo, an easily flustered Tai must learn how to remain focused, calm and balanced while on the job.
Episode 18
The Trainees are on a mission to play top-secret spy games in Chuggington but their sleuthing missions turn into wild shenanigans!
Episode 19
Zephie, Wilson and Brewster compete to be Koko's partner in a relay race.
Episode 20
Wilson looks shiny and new after his trip to the Chug Wash and the other trainees are impressed - but everyone knows he's a magnet for a mess!
Episode 21
Wilson has his hands full when an adorable monkey he is babysitting goes bananas.
Episode 22
New to Chuggington, Tai must navigate her way around town to make an important delivery on time! With help from her new friends and a little colored paint, she just might get the job done!
Episode 23
Wilson, Koko and Brewster discover a hidden talent for music and form a band. Suddenly Koko’s horn goes wonky! Will the trainees find a replacement in time for them to rock out on the radio?
Episode 24
With Hodge’s radiator broken and no way to order another one, Brewster turns out to be the only one that can help by making a brave decision.
Episode 25
Chuggington is left in the dark when the lighthouse at the docks mysteriously stops working! And when there's a mystery afoot, Detective Brewster is on the case!
Episode 26
Tai and the trainees learn that with a little imagination any ordinary job can be extraordinary.
Episode 27
Look up in the sky! Is it a bird? A plane? No, it's Space Chuggers! Adventure ensues when the trainees prepare for a visit with Chuggers from outer space.
Episode 28
Rattling Rivets! The Spooky Chugger has returned! With unexplained happenings around Chuggington, the trainees are convinced the tracks are haunted.
Episode 29
Chug Patrol is always in control, but when a thunder storm comes to Chuggington, Wilson can't control his fear! Wilson must face his fears and weather the storm to help a friend in need.
Episode 30
When Wilson finds out he's the first of his kind, his friends deem him Chuggington Royalty - a title that quickly goes to his engine! Can his friends bring him back down to the rails?
Episode 31
Being a super chugger is hard work! But when given a well deserved day off, Action Chugger has a hard time relaxing. Can the trainees get Action Chugger to finally rest his wheels?
Episode 32
Hoot and Toot have had enough! The twins' bickering has finally led them to separate and go different ways. But now they're lost without each other! Will they come back together in time to watch the perfect sunset at Lookout Point?
Episode 33
When a pipe bursts in the Roundhouse, an exhausted Wilson must roam Chuggington in search of a new cabin to sleep in. But nothing feels quite like home.
Episode 34
The Spy Chuggers are back as the trainees set out on a top secret mission to retrieve a secret surprise gift for Skipper Stu.
Episode 35
When Safari Park is closed for the day, Koko, Wilson and Brewster give Piper a surprise tour and discover all the exotic wildlife right in their own backyard.
Episode 36
While on his first solo job laying tracks, Brewster encounters the oldest tree in Chuggington and must decided whether to finish the job or save an important part of Chuggington.
Episode 37
The trainees find a gold nugget and dream of ways to spend their riches.
Episode 38
The trainees are on another mission! They try to rescue the last pumpkin in town for Pumpkin Spice Ice Cream, which is Frostini's newest fall flavor. Can they make it through the gauntlet of squirrels eager for a pumpkin snack?
Episode 39
During a game of Chuggball, the trainees discover Rosa has a talent for reaching high, and they put her crane to practice doing odd jobs around Chuggington. But Rosa is out to prove she has more talents than just her crane.
Episode 40
When Koko ignores Jackman's warning not to open a top secret crate, a high-tech super robot wreaks havoc around Chuggington.
Episode 41
Zephie attaches to a turbo car in an attempt to be faster than Koko. She is hoping to get her best friend Lori's attention. Only problem with speed is not knowing how to slow down!
Episode 42
Cormac must visit the Repair Shed, and Tai is put in charge of the Drop and Load Yard. When Tai jumbles his detailed system, perfectionist Cormac must learn that his way is not the only way to get the job done.
Episode 43
Zephie and Piper try to prove they are ready for the big jobs in Chuggington by attempting to break some town records.
Episode 44
Brewster tries to get busy Action Chugger to play a game of hide-and-seek. But in his zest to prove he is best friends with Action Chugger, Brewster puts his relationships with Koko and Wilson on the line.
Episode 45
Brewster gets himself in a jam when he accidentally takes credit for Rosa's work.
Episode 46
Wilson and Brewster switch places for the day to prove who has the tougher job.