Production
Season 3 had 36 episodes the 4th will have 77. Three episodes have been confirmed.
Episodes
- Gordon's Foggy Day
- Dockyard Help
- Dockyard Help Redux
- DieselWorks Trouble
- SteamWorks Trouble
- Shed Trouble
- Dockyard Trouble
- Station Trouble
- The World's Dirtest Engine
- Percy & The Truck
- James Helps Out
- Trucks & Trouble
- The Three Tank Engines
- Gordon the Record Breaker
- Journey to the Centre of the Island
- A New Look
- A New Look Redux
- Norman & the Breakvan
- The Ultimate Diesel Guide
- Brother Betrayel
- Friend Betrayel
- Thomas' Bad Day
- Nix's New Brakes
- Spencer & the Express
- Thomas & The UK Trip
- Slips & Tips
- Slips & Tips Redux
- Rails & Ties
- Paxton & the Breakdown Train
- Henry's Tunnel
- Henry's Tunnel Redux
- Den in Charge
- Oil & Trouble Dart
- Fiery Flynn & Brave Belle
- Edward's Fruit Delivery
- The Curse of The Scottish
Characters
Recurring
- Thomas
- Edward
- Henry
- Gordon
- James
- Percy
- Toby
- Emily
- Spencer
- Saturn
- Nix
- Diesel 10
- Den
- Dart
- Paxton
- Norman
Introduced
- Murdoch
- Salty
- Diesel
- Arry
- Bert
- Sidney (as Sid)
- Mavis
- Belle
- Flynn
After This
All is known is that Season 4 will air with a record of 77 episodes.
Trivia
- Bash is properly introduced.
- All episodes now will be 9 minutes so they fit a 30 minute segment with 3 episodes and a short activity or song.
- This is one of the longest seasons besides Season 4 with 77 episodes, however it is slowly reducing episodes to 50. But it is most likely to have 77 episodes.