Thomas Goes to the Mountains is an upcoming episode.
Thomas visits the mountains in France and he sees his friend Etienne.
- The Fast French Engine (cameo)
- Annie and Clarabel (end segment)
- Bertie (stock footage)
- Jack (stock footage cameo)
- The Fast French Engine is the Flying Scotsman's recolour and it is gold.
- At the end of the episode, Thomas mentions the events from the nineteenth series episode, The Other Side of the Mountain, stock footage from this episode is also used.
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