Paul sets off from picturesque Grosmont towards Goathland, where he fires up an 88-year-old engine, discovers the secrets of traditional signal boxes and learns about a groundbreaking mission.

We soak in the scenery from Goathland to Levisham, an iconic engine goes on a mission, and the lineside team are in action monitoring the UK's only venomous snake.

The iconic 'Tornado' takes us from Levisham to Pickering, wildfires threaten the railway's summer season, and guide dog puppies are welcomed aboard.

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