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The Worst Episodes of Alien Worlds

Every episode of Alien Worlds ranked from worst to best. Explore the Worst Episodes of Alien Worlds!

Binge this in 2h 57mPeaking at 6.9/10

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.

Airs on

Seasons1

Episode Rankings

  1. #1 Worst Episode
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    Alien Worlds Season 1 Episode 1 - Atlas
    6.8/10(373 votes)

    #1 - Atlas

    S1:E1

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

    Director:Unknown
    Writer:Unknown

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  2. Alien Worlds Season 1 Episode 2 - Janus
    6.9/10(266 votes)

    #2 - Janus

    S1:E2

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

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  3. Alien Worlds Season 1 Episode 3 - Eden
    6.9/10(244 votes)

    #3 - Eden

    S1:E3

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

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  4. Alien Worlds Season 1 Episode 4 - Terra
    6.9/10(248 votes)

    #4 - Terra

    S1:E4

    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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Worst Episodes Summary

"Atlas" is the worst rated episode of "Alien Worlds". It scored 6.8/10 based on 373 votes. Directed by Unknown and written by Unknown, it aired on 12/2/2020. This episode scored 0.1 points lower than the second lowest rated, "Janus".