# Alien Worlds (2020)

> A four-part docuseries that applies the laws of life on Earth to imagine alien ecosystems on other planets.

Canonical page: https://ember.film/tv/94326

## Facts

- Seasons: 1
- Episodes: 4
- Episode runtime: 42 min
- Status: Ended
- Genres: documentary
- Network: Netflix
- Cast: Sophie Okonedo, Kennda Lynch, Magdalena Sorger, Carlos Santibanez-Lopez, Diana Northup, Avalon Owens, Donato Giovannelli, Natalie Batalha
- TMDB rating: 6.6/10
- IMDb: https://www.imdb.com/title/tt13464340/

## Ember's analysis

- Pacing: measured
- Intensity: mild
- Complexity: accessible
- Violence: none
- Tone: curious, wondrous, hopeful, contemplative, awe-filled

## What critics say

Viewers and reviewers generally appreciate the miniseries for grounding its imagined alien life in real biology and science, though it is seen as a mixed but mostly favorable take.

## Synopsis

Alien Worlds (2020) is a British science documentary miniseries produced by Wall to Wall and released on Netflix. Narrated by Sophie Okonedo, the four-episode series takes the rules of biology that govern life on Earth and follows them outward to imagine what organisms might look like on distant planets. Scientists appear as on-screen interviewees, including Natalie Batalha and David Reznik, who discuss astrobiology, exoplanet research, and the conditions that could allow life to take hold beyond our solar system. Each episode builds its speculative ecosystems from concrete ingredients such as light sources, atmospheres, gravity, water, and chemistry, then animates the results with computer-generated creatures and landscapes. The approach blends scientific fact with imaginative fiction, so the tone stays curious and wondrous rather than alarmist. Viewers who enjoy Cosmos: A Spacetime Odyssey, Planet Earth II, and Walking with Dinosaurs will find the same mix of patient explanation and visual awe. Its short runtime and self-contained episodes make it an easy watch for science-minded families and anyone curious about whether life exists elsewhere in the galaxy.

## Shows like Alien Worlds

- [Wonders of the Solar System (2010)](https://ember.film/tv/29793)
- [How the Universe Works (2010)](https://ember.film/tv/31140)
- [The Green Planet (2022)](https://ember.film/tv/81293)
- [Our Universe (2022)](https://ember.film/tv/134572)
- [The Living Planet (1984)](https://ember.film/tv/8856)
- [A Perfect Planet (2021)](https://ember.film/tv/95990)
- [Our Planet (2019)](https://ember.film/tv/71512)
- [Night on Earth (2020)](https://ember.film/tv/82390)
- [Planet Earth (2006)](https://ember.film/tv/981)
- [Life on Our Planet (2023)](https://ember.film/tv/134573)

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