Mind your step! (TV story)

Mind your step! sometimes noted as The Blackpool Exhibition video was a small video added onto screens inside of the Doctor Who Blackpool Exhibition.

For DVD released it was added to the end of the sixth part of The Ark in Space.

Synopsis
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Plot
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Cast

 * Fourth Doctor - Tom Baker

Crew
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Story notes

 * The lines were added by Baker himself.
 * It was added as an extra on the DVD release of The Ark in Space.