第 19 季 共 26 集
播出时间：2015年9月22日
第 1 集 Who's Geoffrey?
播出时间：2015年9月22日
Thomas gets himself into trouble and blames a made up engine, by the name of Geoffrey. But when people and other engines around the island start asking to meet him, Sir Topham Hatt also wants to meet this so-called Geoffrey.
第 2 集 The Truth About Toby
播出时间：2015年9月23日
Toby accidentally runs out of coal at the scrapyards, leaving the engines to think he's going to be scrapped.
第 3 集 Lost Property
播出时间：2015年9月24日
The Fat Controller is anxious as two grumpy inspectors have come to inspect the railway, starting with Thomas. To prevent an even worse report, Thomas helps return a lost pocket watch to the railway inspector.
第 4 集 Henry Spots Trouble
播出时间：2015年9月25日
After he sees the Fat Controller's grandchildren with chickenpox, Henry worries about catching the disease himself.
第 5 集 A Cranky Christmas
播出时间：2016年1月5日
Thomas is sent to take a special crate to the Town Square from the docks, but Cranky accidentally drops it.
第 6 集 Snow Place Like Home
播出时间：2016年1月6日
Kevin gets stuck out in the snow, and Victor goes out looking for him, despite his hatred of snow.
第 7 集 The Beast Of Sodor
播出时间：2016年1月7日
Henry becomes paranoid of meeting an abominable snowman after Spencer teases him about it.
第 8 集 Toad And The Whale
播出时间：2016年3月15日
Toad spots a stranded whale on the beach, but Oliver does not take him seriously.
第 9 集 Very Important Sheep
播出时间：2016年3月16日
Percy doesn't notice sheep jumping out of his cattle truck.
第 10 集 Salty All At Sea
播出时间：2016年3月17日
Salty's imagination runs away with him as he worries about going to the Mainland by sea.
第 11 集 Den and Dart
播出时间：2016年3月18日
Mavis has an accident at Anopha Quarry and is sent to the Dieselworks. Den is sent to take her place, while Dart has to stay at the Dieselworks. However, the two always work together and they fear to be without the other.
第 12 集 Helping Hiro
播出时间：2016年3月19日
Thomas feels guilty about causing Hiro to have an accident. To make up for it, Thomas ventures into Hiro's old hideout to see if he can try to salvage some left behind parts.
第 13 集 Slow Stephen
播出时间：2016年7月12日
Stephen is a slow engine, but one day, when the Sodor Suspension Bridge collapses, he has to stop Gordon from crossing the bridge before it's too late.
第 14 集 Two Wheels Good
播出时间：2016年7月13日
Thomas, Spencer, and Bertie argue over how many wheels are best.
第 15 集 Reds vs Blues
播出时间：2016年7月14日
Thomas and James compete with each other to see who can get their passengers and football teams to Dryaw first.
第 16 集 Best Engine Ever
播出时间：2016年7月15日
Emily idolises Caitlin when she sees how fast Caitlin can go.
第 17 集 The Little Engine Who Raced Ahead
播出时间：2016年7月16日
A new diesel boxcab named Philip arrives. Loving to race, he thinks he's racing Gordon when in actuality Gordon never took part.
第 18 集 Philip To The Rescue
播出时间：2016年7月19日
James is determined to prove himself stronger than Philip.
第 19 集 Diesel's Ghostly Christmas (Part 1)
播出时间：2016年12月27日
Diesel starts causing trouble at Christmas time and he gets visited by the Ghost of Christmas Past.
第 20 集 Diesel's Ghostly Christmas (Part 2)
播出时间：2016年12月27日
Diesel now meets up with two other ghostly engines. The Ghost of Christmas Present and the Ghost of Christmas Future, and he later finds the Fat Controller still at Knapford during the Earl's Christmas party at Ulfstead Castle.
第 21 集 Thomas The Babysitter
播出时间：2017年3月7日
A mother and her noisy baby want to have a ride on Thomas' train, but the baby keeps crying which irritates Thomas and the passengers.
第 22 集 Rocky Rescue
播出时间：2017年3月7日
Rocky ends up derailing and the Search and Rescue Team have to work together to put him back on the rails again.
第 23 集 The Other Side Of The Mountain
播出时间：2017年3月8日
Thomas discovers Bertie's been rerouted to behind the other side of the mountain, making Thomas curious as to what's there.
第 24 集 No Help At All
播出时间：2017年3月9日
Bill and Ben say that Timothy is no help at all.
第 25 集 Goodbye Fat Controller
播出时间：2017年3月10日
Percy overhears some workmen talking and thinks the Fat Controller is leaving Sodor. Also known as "Goodbye Sir Topham Hatt".
第 26 集 Wild Water Rescue
播出时间：2017年3月11日
Diesel is jealous of Percy's job to collect the Mayor of Sodor, so he directs Percy to an old disused quarry while he takes him himself.
