The UnXplained with William Shatner

Sky History

11:00 PM to 12:00 AM

Monday 29 April

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Humanity has launched satellites into outer space and submarines to the ocean floor, but the ground below Earth's surface remains shrouded in mystery. The veteran actor considers whether there are any profound secrets buried beneath layers of rock, or hidden in vast caves. He contemplates whether the subterranean world below can shed light on humanity's past - or even its future