1. Episode 1

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. 22 May 2018. 31 min

Back to Earth allows viewers to journey deeper into the ideas explored on the main show and ask questions of both Brian Cox and a panel of expert scientists. Guests include musician Tim Minchin.

2. Episode 2

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. 23 May 2018. 30 min

Back to Earth allows viewers to journey deeper into the ideas explored on the main show and ask questions of both Brian Cox and a panel of expert scientists. Guests include Professor Fred Watson.

3. Episode 3

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. 24 May 2018. 30 min

Back to Earth allows viewers to journey deeper into the ideas explored on the main show and ask questions of both Brian Cox and a panel of expert scientists. Guests include "Space Gandalf", Greg Quicke.