Eu acredito que você está procurando o Twilight Zone Episódio Wiki Quarantine (The Twilight Zone) .
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"Um filme curto"
The episode is ~1 hour broadcast.
Os humanos deixados na Terra deixados para trás criaram uma sociedade utópica
Matthew (protagonist) begins learning more and more about the agrarian post-apocalypse community where Sarah lives. Every need there is met through genetic engineering, psionics, and super-science in harmony with Nature
A espaçonave com humanos a bordo está retornando
When the meteor makes a course correction upon reaching orbit, Matthew discovers that it isn't a meteor coming, but a United States spacecraft.
... e se sentem ameaçados pelo retorno dos outros, que foram os violentos.
Sarah explains that the community is threatened by the instigators of the war, who are returning to Earth. They left the Earth during the catastrophic war they started to save their own lives and perpetuate their power