Season 4 · Episode 3 — Stop Koko Stop
Koko learns to use how to brake at high speeds and Brewster learns that he has a good eye for track-laying.
Season 4 episodes
E1Wilson saves Koko from a collapsing mine, proving that he is the brave new hero of the rails.
E2When Emery breaks down in the forest, it's Chug Patroller Wilson to the rescue.
E3Koko learns to use how to brake at high speeds and Brewster learns that he has a good eye for track-laying.
E4Brewster tells Koko and Wilson that he is making ballast with Speedy McAllister. Koko then goes to practise with Hanzo, she practises letti…
E5The Chuggineers demolish an old cooling tower and Brewster cannot wait to see it come down, but an urgent job means he may miss the explosi…
E6Wilson's new Chug Patrol skills are put to the test, but things go awry when he forgets something important.
E7Zack becomes trapped when an old rickety bridge collapses, prompting Brewster to use all his craning skills to lift him safely out of the h…
E8Zack, Tyne, and Fletch get stranded by some washed out tracks due to a heavy flash flood.
E9Koko takes some very important visitors including the mayor on a tour.
E10Brewster and Koko get stranded on the opposite side of a broken track that the Chuggineers are repairing.
E11Brewster 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 replac…
E12Wilson helps out when Old Puffer Pete goes sleep-riding around Chuggington.
E13Hodge gets stuck high up in the air, but Wilson's clever thinking saves the day.
E14The chuggers make preparations for the Winter Parade through Chuggington.
E15Fletch is trapped in a snowdrift in the mountains and Wilson must rescue him!
E16When Brewster slips into the river, Wilson must act super-fast and help his friend.
E17The Chug Patrollers rescue Eddie from the side of a bridge using a banner as a sling.
E18When he runs out of Water, Wilson has to think on his wheels during fire training.
E19When he runs out of Water, Wilson has to think on his wheels during fire training.
E20Brewster has his first chuggineer test and Wilson is on Safety Patrol.
E21Something goes wrong when the chuggineers are building a bridge.
E22The Speed Fleet, Chug Patrol and the Chuggineers compete in the Track Dash fun race.
E23Koko tries to break a speed record at the Chug-a-Sonic Speedtrack.
E24Brewster and Cormac chase a runaway circular tunnel entrance through the countryside.
E25The Chuggineers compete with the Steam Team for the coveted Iron Chuggers title
E26During training, Wilson and Chug Patrol must evacuate animals from the Safari Park.