The BEST Episodes of Alien Worlds
Every episode ever - ranked by fan votes!
Last Updated: Mar 17, 2021
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.
#1 - Eden
Season 1 - Episode 3 - Aired Dec 2, 2020
Twin stars create an oxygen-rich atmosphere on Eden, where a teeming biosphere may parallel seasonal cycles of predation and reproduction o Earth.
#2 - Atlas
Season 1 - Episode 1 - Aired Dec 2, 2020
On Exoplanet Atlas, dense gravity creates a thick atmosphere allowing airborne life forms to thrive - but also providing a lesson in adaptability.
#3 - Terra
Season 1 - Episode 4 - Aired Dec 2, 2020
A hyperadvanced species makes their home on doomed exoplanet Terra, which orbits an aging star. Now they must colonize another world, using robots.
#4 - Janus
Season 1 - Episode 2 - Aired Dec 2, 2020
Ants, scorpions and fireflies provide clues for biologists to conjecture about life on exoplanet Janus, including highly adaptable pentapods.