The UnXplained with William Shatner
The Underground World
Season 1 Episode 21 of 26
The veteran Star Trek actor examines what lies at the centre of the Earth and considers how much of mankind's history might have taken place underground
The UnXplained with William Shatner airs on Sky History at 10:00 PM, Wednesday 31 July.
Learn more about The UnXplained with William Shatner and other education/science/factual topics on our factual page
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