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"Ghosts don't work day shifts."
— Toby's driver

Toby's Discovery is the fourteenth episode of the fifth season.


The young Hatts make a sandcastle modelled on one in the heart of Sodor, and the intrigued Fat Controller asks Toby to take him to find it. Toby finds the castle, and then visits a run-down mine located on the same map as the castle. The mines are re-opened, but Toby is spooked by Thomas' tale of the "Old Warrior" who hunts in the mines during the night. Toby is horrified to be put on guard duty at the mines, and meets the "Old Warrior", but discovers that the ghost is really a narrow gauge engine named Bertram.




  • Toad's scrap model from Escape and rusty models of Thomas and James can be seen at the mine.
  • Duke's old shed is seen next to Bertram when he is discovered.
  • According to Britt Allcroft, Bertram was supposed to be a tank engine, but financial issues forced the model crew to repaint Duke's model and use Smudger's face.
  • Various models of previous models of Thomas can be seen at Bertram's mine.
  • This episode marks the first and only appearance of Bertram to date.
  • The map of Sodor appears to actually be a map of North Wales.


  • When Toby is at the fishing village, Henrietta's roof is lifted up.
  • At the end of Toby's first-person view travelling along, the rails stop at a dead end.
  • The signalman's appearance changes between the time Toby first meets him and the time Toby finds Bertram.
  • The old map shows that the way to get to the castle and the mine beyond the signal box is to take the right track at the junction, but Toby takes the left track at that junction.
  • When Toby stops at the junction, some of his steam disappears, indicating a film cut.
  • In the scenes where the mine is reopened, the track Rheneas is on has no buffers.
  • When Toby comes to the junction, the lever to the points only appears when the fireman switches them.
  • When the Fat Controller says "We'll go check castle first", his close up outside the signal box is used again.

In Other Languages

Language Name Meaning
Spanish El Descubrimiento de Toby Toby's Discovery
German Toby und der alte Krieger Toby and the Old Warrior
Japanese トビーのたんけん Toby's Exploration
Welsh Hen Injan Fach Little Old Engine
Norwegian Tobys oppdagelse Toby's Discovery
Dutch Toby's ontdekking Toby's Discovery
Hungarian Toby a felfedező Toby the Explorer
Italian La Scoperta di Toby Toby's Discovery
Chinese 托比的发现 Toby's Discovery
Korean 용감한 전사 Brave Warrior
Slovenian Tobijevo odkritje Toby's Discovery
Swedish Tobys Upptäckt Toby's Discovery
Russian Открытие Тоби Opening Toby
Romanian Descoperirea lui Toby Toby's Discovery
Danish Med Toby på Oppdagelse With Toby on Discovery
Greek Η ανακάλυψη του Τόμπι Toby's Discovery
Slovak Tobyho objav Toby's Discovery
Polish Odkrycie Tobika Toby's Discovery
Thai เพื่อนใหม่ของโทบี้ Toby's Friends

Home Media Releases


DVD Boxsets


DVD Boxsets


  • Spooks and Surprises
  • The Complete Fifth Series

DVD Packs