Astronauts: Do You Have What It Takes? Main cast, played by Adrian Dunbar Episode 1x01: Episode 1 (Aug 20, 2017) Episode 1x02: Episode 2 (Aug 27, 2017) Episode 1x03: Episode 3 (Sep 3, 2017) Episode 1x04: Episode 4 (Sep 10, 2017) Episode 1x05: Episode 5 (Sep 24, 2017) Episode 1x06: Episode 6 (Oct 1, 2017)