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 2023-01-02.