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Seasons of Alien Worlds

Alien Worlds currently has 1 season and 4 episodes. Most episodes run for around 42 minutes, offering a comfortable mid-length viewing experience. The series is currently marked as "Ended". The most recently aired episode came out in 2020.

Alien Worlds Season 1 • TV Show

Season 1

Are there new episodes of Alien Worlds coming?

Alien Worlds is marked as an ended series, with its final episode airing on December 2, 2020. At this time there are no new seasons or episodes announced, so the release radar for this show is effectively closed unless a revival or spin-off is announced. When the next release does arrive, it is expected to carry the same content rating of TV-PG (US), which can influence when it airs on different providers and platforms.

Watch the official trailers for Alien Worlds

Watch the main official trailer for Alien Worlds in one place. Most of these clips were released around November 2020, capturing the show at its peak marketing push. Use the carousel to sample the show's visual style, story hooks and production quality before you dive into full episodes.

Uploaded in November 2020

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If you enjoy Alien Worlds, you may also like NOVA, Horizon and Ancient Aliens. These recommendations share similar tone, themes, or genres, making them natural follow-ups once you finish this show, and can be streamed for free.

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Rating 8.2 out of 10.

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Rating 7.7 out of 10.

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Rating 7.7 out of 10.

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Where to watch Alien Worlds for free?

Alien Worlds is available to stream on SuperFilmz. The series is primarily produced for audiences in United Kingdom, so availability can vary by region. However, you can watch full episodes of Alien Worlds for free on SuperFilmz, with ads.

What is Alien Worlds about?

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. It blends documentary elements. The series reflects a distinct United Kingdom style and perspective.

Is Alien Worlds worth watching?

Alien Worlds holds an average rating of 6.8/10 based on 260 or more viewer votes. If you enjoy documentary stories, this series is a strong candidate for your watchlist.

Release pattern and schedule for Alien Worlds

Alien Worlds has been releasing episodes between December 2020 and December 2020 across 1 season. So far there are 4 released episodes, giving you plenty of story to catch up on before the next drop.

Cast and creators of Alien Worlds

The main cast includes Sophie Okonedo.

Sophie Okonedo

as Narrator (voice)

Alien Worlds Keywords(5)

Last Updated

This page was last updated on Sep 2, 2026, 4:16 PM