Browse episode ratings trends for Alien Worlds. Simply click on the interactive rating graph to explore the best and worst of Alien Worlds's 4 episodes.
Best Episodes of Alien Worlds
Atlas
S1 Ep1
7.4
2nd Dec 2020
On Exoplanet Atlas, dense gravity creates a thick atmosphere allowing airborne life forms to thrive - but also providing a lesson in adaptability.
Worst Episodes of Alien Worlds
Terra
S1 Ep4
7.4
2nd Dec 2020
A hyperadvanced species makes their home on doomed exoplanet Terra, which orbits an aging star. Now they must colonize another world, using robots.
Alien Worlds Episode Guide
Atlas
S1 Ep1
7.4
2nd Dec 2020
On Exoplanet Atlas, dense gravity creates a thick atmosphere allowing airborne life forms to thrive - but also providing a lesson in adaptability.
Janus
S1 Ep2
7.4
2nd Dec 2020
Ants, scorpions and fireflies provide clues for biologists to conjecture about life on exoplanet Janus, including highly adaptable pentapods.
Eden
S1 Ep3
7.4
2nd Dec 2020
Twin stars create an oxygen-rich atmosphere on Eden, where a teeming biosphere may parallel seasonal cycles of predation and reproduction o Earth.
Terra
S1 Ep4
7.4
2nd Dec 2020
A hyperadvanced species makes their home on doomed exoplanet Terra, which orbits an aging star. Now they must colonize another world, using robots.
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The best rated episodes of Alien Worlds are:
Atlas S1E1 rated 7.4
The lowest rated episodes of Alien Worlds are:
Terra S1E4 rated 7.4
The first episode of Alien Worlds aired on December 02, 2020.
The last episode of Alien Worlds aired on December 02, 2020.
