Thomas & Friends: Season 21
This season started on September 18, 2017. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Springtime for Diesel · 11 min | |
| 2 | A Most Singular Engine · 11 min | |
| 3 | Dowager Hatt's Busy Day · 11 min | |
| 4 | Stuck in Gear · 11 min | |
| 5 | Runaway Engine · 11 min | |
| 6 | P.A. Problems · 11 min | |
| 7 | Hasty Hannah · 11 min | |
| 8 | Cranky at the End of the Line · 11 min | |
| 9 | New Crane on the Dock · 11 min | |
| 10 | Unscheduled Stops · 11 min | |
| 11 | Phillip's Number · 11 min | |
| 12 | The Fastest Red Engine on Sodor · 11 min | |
| 13 | A Shed for Edward · 11 min | |
| 14 | The Big Freeze · 11 min | |
| 15 | Emily in the Middle · 11 min | |
| 16 | Terence Breaks the Ice · 11 min | |
| 17 | Daisy's Perfect Christmas · 11 min | |
| 18 | Confused Coaches · 11 min |
