- Created By
- First Aired on
Aug 20, 2017
- Popularity: 4.1435
- 1 votes
- Networks
- (GB)
- Production
BBC Studios Science Unit (GB)
- Status: Ended
Show Ended
1 seaons till Oct 01, 2017
Last episode: Episode 6
Seasons & episodes
Total 1 seasons, 6 episodes

Season 1
Aired
Episode 1Episode 160 min
Chris Hadfield, Dr Kevin Fong and Dr Iya Whiteley put 12 candidates through a series of physical and psychological tests to find out who has what it takes to be an astronaut.
Episode 2Episode 260 min
The remaining astronaut candidates are put through more demanding tests. They have to escape from an underwater capsule and operate a groundbreaking robot - the Mars Rover.
Episode 3Episode 360 min
Old fears surface when the remaining candidates face some space agency swim tests. Their teamwork and mental agility are scrutinised in an underwater test, assembling a large cube.
Episode 4Episode 460 min
The competition becomes more intense as the remaining candidates are deprived of oxygen to see if they can recognise the signs of hypoxia, critical for an astronaut on a spacewalk.
Episode 5Episode 560 min
The astronaut candidates fight for their place in the final. Their leadership skills are assessed in a survival test and they head off to the Kennedy Space Centre in Florida.