The BEST Episodes of Alien Worlds

Every episode ever - ranked by fan votes!

Last Updated: Sep 16, 2021

Network: Netflix

Applying the laws of life on Earth to the rest of the galaxy, this series blends science fact and fiction to imagine alien life on other planets.

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Eden

#1 - Eden

Season 1 - Episode 3 - Aired Dec 2, 2020

Twin stars create an oxygen-rich atmosphere on Eden, where a teeming biosphere may parallel seasonal cycles of predation and reproduction o Earth.

star 7.45
110 votes
Atlas

#2 - Atlas

Season 1 - Episode 1 - Aired Dec 2, 2020

On Exoplanet Atlas, dense gravity creates a thick atmosphere allowing airborne life forms to thrive - but also providing a lesson in adaptability.

star 7.43
182 votes
Janus

#3 - Janus

Season 1 - Episode 2 - Aired Dec 2, 2020

Ants, scorpions and fireflies provide clues for biologists to conjecture about life on exoplanet Janus, including highly adaptable pentapods.

star 7.39
122 votes
Terra

#4 - Terra

Season 1 - Episode 4 - Aired Dec 2, 2020

A hyperadvanced species makes their home on doomed exoplanet Terra, which orbits an aging star. Now they must colonize another world, using robots.

star 7.32
108 votes