The astronaut David Saint-Jacques challenges the YouTuber Massi Mahiou to prepare for a future space mission. But how exactly do astronauts train? What sort of experiments do they carry out? How do they live with zero gravity? Massi discovers all he needs to know about the mission and about space.
Directed by: Simon Lamontagne (Canada, 2019)
Presented by: Massi Mahiou.