Exploration Earth (audio story)

Exploration Earth: The Time Machine is an episode of the BBC Schools radio series Exploration Earth, a series exploring geography. It was the third episode in this series. As it was an educational programme, it used the Doctor Who format and elements to explore the processes of the creation of the Earth.

Publisher's summary
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Cast & Characters

 * The Doctor - Tom Baker
 * Sarah Jane Smith - Elisabeth Sladen

Continuity
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Timeline
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