August 11 2018
- Roundhouse Roulette - After the international engines arrive on Sodor, they struggle to find sleeping spots on the island which leads to disaster.
- Flash Gordon - Gordon decides to enter the speed competition on the Great Railway Show but he might need some help from his brother, the Flying Scotsman first.
- Philip Finds a Friend - Trouble ensues when Phillip and the Mainland Diesel Shunters come to visit the Island of Sodor and meet Vinnie.
- Harvey's Happy Accident - Harvey gets to work at Brendem Docks with Salty and Cranky after making a big mess at Tidmouth Station.
- Tyrannical Rex - Two Arlesdale engines, such as Rex and Jock had come back to their home at The Arlesdale Railway, but Rex remembers about Jock's cocky attitude and starts to act all bossy and rude to maintain order in the railway.
- The Maron Station Makeover - After many passengers were filing complaints about Maron Station to Sir Topham Hatt, the station is renovated with disastrous results.
- Annie and Clarabel
- Troublesome Trucks
- Troublesome Van
- Sir Topham Hatt
- The Tidmouth Stationmaster
- Some Workmen
- Some Passengers
- Sailor John (mentioned)
- The Railway Inspector (mentioned)
Characters introduced Edit
- Yong Bao
- The Great Railway Show Shunters
- Rex (first on-screen appearances)
- Jock (first on-screen appearances)
- This is the first season to be filmed way in advance of the premiere date.