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Dirty Engines retitled Emily and the Dirty Engine for British and The Complete Series Volume One is the fourth episode of the fifth season.

"You say he's 100 percent filthy, that's disgusting. You must be kidding me. I'm not going"

-Emily's remark on The New Engine

Dirty Engines/Emily and the Dirty Engine
Season 5, Episode 4
Air date February 6/17
Written by HenryDashPaxton3000
Directed by HenryDashPaxton3000
Episode guide
A Sister
The Visitor


Emily is chosen to show a new engine to a dump. She thinks the 'Dump' is a place to Scrap. But,Douglas tells her it is a very dirty engine and the 'Dump' is a 'Waste Dump'. She could not believe it as Douglas is a good joker, but when she get to the Yards, Douglas did not fib. Whiff is the new engines' name. James, Gordon, Henry, and Diesel tease her of being dirty, but at the end of the day Emily is so dirty The Fat Controller decides a New Coat of Paint is her reward in which Henry, James, and Gordon are shocked to hear. The next day, Whiff tells her he was right, in which Emily had to believe.


  • Emily
  • Whiff
  • Henry
  • Gordon
  • James
  • Douglas
  • Diesel
  • Thomas (cameo)
  • Percy (cameo)
  • Oliver (cameo)