21 - 1Springtime for Diesel Sep. 18, 2017- 21 - 2A Most Singular Engine Sep. 19, 2017
- 21 - 3Dowager Hatt's Busy Day Sep. 20, 2017
- 21 - 4Stuck in Gear Sep. 21, 2017
- 21 - 5Runaway Engine Sep. 22, 2017
- 21 - 6P.A. Problems Sep. 25, 2017
- 21 - 7Hasty Hannah Sep. 26, 2017
- 21 - 8Cranky at the End of the Line Sep. 27, 2017
- 21 - 9New Crane on the Dock Sep. 28, 2017
- 21 - 10Unscheduled Stops Sep. 29, 2017
- 21 - 11Phillip's Number Oct. 02, 2017
- 21 - 12The Fastest Red Engine on Sodor Oct. 03, 2017
- 21 - 13A Shed for Edward Oct. 04, 2017
- 21 - 14The Big Freeze Dec. 01, 2017
- 21 - 15Emily in the Middle Dec. 06, 2017
- 21 - 16Terence Breaks the Ice Dec. 11, 2017
- 21 - 17Daisy's Perfect Christmas Dec. 18, 2017
- 21 - 18Confused Coaches Dec. 22, 2017
