Sophie Okonedo's narration is frequently cited as a highlight for its "calming and mysterious" tone. User Perspectives
“A good series with interesting ideas that still doesn’t reach the heights it should. I like it—but once again, I wanted more.” IMDb Quick Verdict
You are looking for a pure sci-fi narrative or expect the entire episode to take place on another world. Alien Worlds
The most common criticism is that the show spends roughly 60% to 70% of its runtime on Earth . While these segments explain the scientific principles behind the alien designs (like extremophiles or gravity), many viewers found them to be "filler" that distracted from the promised alien content.
“Its exoplanet segments are a mixed bag; they look great but are a really jarring contrast to the real-life segments.” Decider · Joel Keller Sophie Okonedo's narration is frequently cited as a
For those who want more alien-focused content, reviewers frequently recommend the Discovery Channel's older (2005) or the YouTube series Life Beyond by Melodysheep.
Critics and audiences highlight several recurring themes in their assessments: The most common criticism is that the show
Praise for the series often focuses on its ability to spark wonder, while negative reviews highlight unmet expectations for a pure "alien" experience.