Three Steam Engines Gruff

Three Steam Engines Gruff is an upcoming episode from the twentieth season.

Plot
Thomas, Percy and Toby hear a strange sound from under a bridge.

Characters

 * Thomas
 * Edward
 * Henry
 * Gordon
 * James
 * Percy
 * Toby
 * Annie and Clarabel
 * Henrietta
 * Trevor
 * The Welsh Bird Watcher (speaks only in Japanese dub; cameo in English dubs)
 * Jem Cole (does not speak)
 * Farmer McColl (does not speak)
 * Emily (cameo)
 * One of Dowager Hatt's Friends (cameo)
 * The Lady with the Big Hat (cameo)

Locations

 * Dryaw
 * Tidmouth Sheds
 * The Watermill
 * Ffarquhar
 * Farmer McColl's Farm

Trivia

 * This episode is based around the fairy tale of "The Three Billy Goats Gruff". The story is also mentioned in the episode.
 * This episode marks Trevor's first speaking role since the ninth season episode, Henry and the Flagpole.

UK/US/AUS

 * Extraordinary Engines