Astronauts: Do You Have What It Takes? - Season 1 Episode 5 -

The last remaining candidates are put through a series of challenges to determine who will go through to the final stage. A survival test and a 30-metre abseil put their leadership abilities under scrutiny, before they face a series of gruelling interviews by two guest experts. Those who are chosen to continue head to Florida's Kennedy Space Centre, for a spacewalk training session in an underwater lab.