1. Before Mars

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. 24 October 2016. 33 min

The dramatic backstory of Hana and Joon Seung, identical twin sisters who will grow up to be central characters in the series. Set in the present day, this special focuses on the young twins’ move to a small town and the events that will one day inspire Hana to join humankind’s first expedition to another planet.

2. Making Mars

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. 18 December 2016. 50 min

A look at the real science that went in to making the landmark series Mars.