Old Puffer Pete has been working in Chuggington for 150 years, and the mayor wants to commemorate his anniversary with a special show. The trainees are going to do a carefully choreographed routine - but it all goes wrong. Wilson doesn't listen, Koko goes too fast, and Brewster doesn't seem to know his right from his left!

Vee needs someone to pull the royal carriage for the prince of Buffertonia. Chuggers race in to get the job, but Harrison is first - thanks to cutting some corners and running a red light or two. Happy to have the job, he goes off with Puffer Pete to learn the route. Pete notices that Harrison has got into some bad habits. He takes shortcuts, ignores signs and breaks the speed limit.

Toot doesn’t want to do track inspection with Hoot. To get out of it, she pretends she isn’t feeling well. At first she enjoys getting lots of attention, but when Morgan thinks her flywheel needs replacing, which means having her engine taken out and spending the night in the repair shed, Toot realises she’s gone too far.

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.

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.

Calley worries she doesn't have a specialty, but proves she is a great all-rounder.

Brewster is trapped when he falls into a sinkhole.

Cormac loves to be busy, but with a problem at the docks, he gets increasingly bored, but when Jackman, Asher and Calley are trapped behind a rockfall at the quarry, it's Cormac to the rescue. Cormac tried to lift the large pieces of rock, but they're too heavy, then he saw a big excavator, he used the excavator to smash the pieces of rock to save the Chug Patrollers and save the day.

Wilson, Brewster, Koko, Hoot and Toot are going to Trainee Camp to learn new skills and work as a team.

Harrison must devise a special tour of Chuggington in order to pass his tour guide test.

Cormac challenges Old Puffer Pete to a delivery contest. Meanwhile, The Chuggineers are relining a tunnel.

Koko learns that being careful and quick is the trick to being an express courier train when she nearly has an accident at the docks.

When the dock's crane breaks down, Skipper Stu must find another way to load the ship.

Jackman, Asher, Puffer Pete, Olwin and Koko have to struggle down an icy slope to get to the inaccessible frozen over docks to get fuel for all the chuggers when an ice storm hits Chuggington and fuel supplies run low.

Fletch repairs the lighthouse by himself and discovers that being in charge is hard.

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?