Mars

Season 0, Episode 1

Episode Title: Before Mars

Air Date: 2016-10-24

Overview:

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.