Sean Penn and Natascha McElhone star in the major US drama about a team of astronauts and scientists caught up in the race to become the first to reach Mars on a colonisation mission. A difficult decision puts Kayla and Tom at odds with each other, while a problem arises with the Mars Ascent Vehicle that may jeopardise the safety of the crew. Aiko hosts a dinner party to celebrate Sadie and Ollie's wedding anniversary. Co-starring LisaGay Hamilton, Anna Jacoby-Heron and Melissa George.

S1 Ep3