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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 57m•Peaking 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.

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Episode Rankings

  1. #1 Worst Episode
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    Alien Worlds Season 1 Episode 1 - Atlas
    6.8/10(385 votes)

    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(275 votes)

    S1:E2

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

    Directors:Daniel M. Smith, Tim Lambert, Suzy Boyles
    Writer:Unknown

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  3. Alien Worlds Season 1 Episode 3 - Eden
    6.9/10(249 votes)

    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.

    Directors:Nigel Paterson, Daniel M. Smith, Ben Wilson
    Writer:Unknown

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  4. Alien Worlds Season 1 Episode 4 - Terra
    6.9/10(252 votes)

    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.

    Directors:Tim Lambert, Suzy Boyles
    Writer:Unknown

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Worst Episodes Summary

"Atlas" is the worst rated episode of "Alien Worlds". It scored 6.8/10 based on 385 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".