What if 100 teenagers who lived their whole life in space, had to go back to earth – to check if humanity can survive –

The 100 a tv show where the end of the world happened, and a group of people had to survive in space. But they wanna go back, they send 100 teenagers back to earth to check if they survive here. When they’re back on earth, they got the one to the other surprise of strange/other people.

Survival became the main goal