![](https://occ-0-1068-92.1.nflxso.net/dnm/api/v6/evlCitJPPCVCry0BZlEFb5-QjKc/AAAABdeo6z6AM2l_LIkRtodfMeX-tT9L0D4X1or8wjvss1x2unVdOLOEcnfMxHfIdsn-KULDGzBPCTOlXiZzjgJ5bsHI-l5c.jpg?r=e47)
Amid special demonstrations in Sodor, Thomas and the gang worry they'll be replaced by new inventions until a mission shows how useful they really are.
Joseph May,
Keith Wickham,
Yvonne Grundy,
Matt McCooey,
Joe Swash,
Jules De Jongh,
Rob Rackstraw,
Rachael Louise Miller,
Mike Grady,
Siu-See Hung
Added on Netflix 2021-03-02.