The Netflix docuseries (2020) is a speculative nature anthology that imagines life on four fictional exoplanets by applying the known laws of physics and biology on Earth.
Critics and audiences highlight several recurring themes in their assessments: 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. The Netflix docuseries (2020) is a speculative nature