Tomy Emily & The Garbage (2020) 

Emily is told to help a new engine named Whiff. Emily is mortified when she sees how smelly and scruffy he is. The other engines tease her for being around him so she tries to run away from Whiff.
Trackmaster Thomas and Friends Season 11 US Dub
Characters in this episode:
Thomas
Henry
Gordon
James
Emily
Spencer
Whiff
Elizabeth
Murdoch
Molly
Neville
Links:
Official Twitter - bit.ly/2HqHFcD
UK Dub Channel -bit.ly/2H9WpgU
Archive Channel - bit.ly/2VNApvo
Percyengine619 Episode Tracker: docs.google.co...