Alien Worlds

10 Worst Episodes of Alien Worlds

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.

Written by Sophie and last updated on oct 18, 2021.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

Alien Worlds - S1E3

#4 - Eden (Season 1 - Episode 3)

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

The episode was rated 7.48 from 80 votes.

Alien Worlds - S1E1

#3 - Atlas (Season 1 - Episode 1)


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

The episode was rated 7.41 from 144 votes.

Alien Worlds - S1E4

#2 - Terra (Season 1 - Episode 4)

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

The episode was rated 7.40 from 77 votes.

Alien Worlds - S1E2

#1 - Janus (Season 1 - Episode 2)


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

The episode was rated 7.30 from 89 votes.

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