Tomy Rusty to the Rescue (2020) 

In the spring-time, Rusty the diesel engine loves working on the line in a special valley far away. The Manager of the line needs another engine to help. Rusty offers and the little diesel sets off.
Trackmaster Thomas and Friends Season 4 US Dub
Characters in this episode:
Thomas
Douglas
Diesel
Stepney
Rusty
Stepney's Controller
Daisy ​
Boco ​
Mavis ​​
Class 40
Percy
Links:
Official Twitter - bit.ly/2HqHFcD
UK Dub Channel -bit.ly/2H9WpgU
Archive Channel - bit.ly/2VNApvo
Percyengine619 Episode Tracker: docs.google.co...