Season 4

01 Rescue at Rocky Ridge Episode 126th August 2013 Wilson saves Koko from a collapsing mine, proving that he is the brave new hero of the rails. 02 Wilson's Forest Flare Episode 226th August 2013 When Emery breaks down in the forest, it's Chug Patroller Wilson to the rescue. 03 Stop Koko Stop Episode 327th August 2013 Koko learns to use how to brake at high speeds and Brewster learns that he has a good eye for track-laying. 04 Runaway Koko Episode 428th August 2013 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. 05 Brewster Makes Tracks Episode 529th August 2013 The 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. 06 Chief Wilson Episode 630th August 2013 Wilson's new Chug Patrol skills are put to the test, but things go awry when he forgets something important. 07 Back Up Brewster Episode 713th September 2013 Zack 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. 08 Track Laying Brewster Episode 81st October 2013 Zack, Tyne, and Fletch get stranded by some washed out tracks due to a heavy flash flood. 09 Explorer Koko Episode 92nd October 2013 Koko takes some very important visitors including the mayor on a tour. 10 The Old Silver Mine Line Episode 103rd October 2013 Brewster and Koko get stranded on the opposite side of a broken track that the Chuggineers are repairing. 11 Brewster Leads The Way Episode 114th October 2013 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 12 Park Patroller Wilson Episode 125th October 2013 Wilson helps out when Old Puffer Pete goes sleep-riding around Chuggington. 13 High Rise Rescue Episode 136th October 2013 Hodge gets stuck high up in the air, but Wilson's clever thinking saves the day. 14 Winter Whiteout Episode 142nd January 2014 The chuggers make preparations for the Winter Parade through Chuggington. 15 Snow Patrol Episode 153rd January 2014 Fletch is trapped in a snowdrift in the mountains and Wilson must rescue him! 16 Fearless Wilson Episode 167th April 2014 When Brewster slips into the river, Wilson must act super-fast and help his friend. 17 Special Rescue Team Episode 178th April 2014 The Chug Patrollers rescue Eddie from the side of a bridge using a banner as a sling. 18 Deputy Chug Patrollers Episode 189th April 2014 When he runs out of Water, Wilson has to think on his wheels during fire training. 19 Blazin' Wilson Episode 1910th April 2014 When he runs out of Water, Wilson has to think on his wheels during fire training. 20 On Track Brewster Episode 2011th April 2014 Brewster has his first chuggineer test and Wilson is on Safety Patrol. 21 We Are the Chuggineers Episode 2121st April 2014 Something goes wrong when the chuggineers are building a bridge. 22 Team Trainee Episode 2222nd April 2014 The Speed Fleet, Chug Patrol and the Chuggineers compete in the Track Dash fun race. 23 Record Breaker Koko Episode 2323rd April 2014 Koko tries to break a speed record at the Chug-a-Sonic Speedtrack. 24 Tootington Tunnel Episode 2417th April 2014 Brewster and Cormac chase a runaway circular tunnel entrance through the countryside. 25 Iron Chuggers Episode 2518th April 2014 The Chuggineers compete with the Steam Team for the coveted Iron Chuggers title 26 Roundup Wilson Episode 2621st April 2014 During training, Wilson and Chug Patrol must evacuate animals from the Safari Park.