Season Twenty-One of Thomas & Friends premiered on September 18, 2017.
Episodes
| # |
#
|
Title
|
|
|
Airdate
|
|
|
|
| 495 |
1
|
Springtime for Diesel
|
|
|
September 18, 2017
|
|
|
|
| 496 |
2
|
A Most Singular Engine
|
|
|
September 19, 2017
|
|
|
|
| 497 |
3
|
Dowager Hatt's Busy Day
|
|
|
September 20, 2017
|
|
|
|
| 498 |
4
|
Stuck in Gear
|
|
|
September 21, 2017
|
|
|
|
| 499 |
5
|
Runaway Engine
|
|
|
September 22, 2017
|
|
|
|
| 500 |
6
|
PA Problems
|
|
|
September 25, 2017
|
|
|
|
| 501 |
7
|
Hasty Hannah
|
|
|
September 26, 2017
|
|
|
|
| 502 |
8
|
Cranky at the End of the Line
|
|
|
September 27, 2017
|
|
|
|
| 503 |
9
|
New Crane on the Dock
|
|
|
September 28, 2017
|
|
|
|
| 504 |
10
|
Unscheduled Stops
|
|
|
September 29, 2017
|
|
|
|
| 505 |
11
|
Philip's Number
|
|
|
October 2, 2017
|
|
|
|
| 506 |
12
|
The Fastest Red Engine on Sodor
|
|
|
October 3, 2017
|
|
|
|
| 507 |
13
|
A Shed for Edward
|
|
|
October 4, 2017
|
|
|
|
| 508 |
14
|
The Big Freeze
|
|
|
December 1, 2017
|
|
|
|
| 509 |
15
|
Emily in the Middle
|
|
|
December 6, 2017
|
|
|
|
| 510 |
16
|
Terence Breaks the Ice
|
|
|
December 11, 2017
|
|
|
|
| 511 |
17
|
Daisy's Perfect Christmas
|
|
|
December 18, 2017
|
|
|
|
| 512 |
18
|
Confused Coaches
|
|
|
December 22, 2017
|
|
|
|
