Season 1
8 episodes
42 min. per episode
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A skeptical host confronts haunting truths about existence, unraveling cosmic enigmas that challenge everything we believe.
Episodes
Unidentified objects, witnessed by military pilots - Extraterrestrial probes, flying through our solar system - And a potential alien home world that may be hidden - in the darkness of space.
As we make plans to travel beyond the Moon to new worlds, how are we preparing to become human extraterrestrials? Just how will we survive this trip into the unknown? Will we be able to thrive once we get to our next galactic destination? And what will we do if we make contact with intelligent life?
The blue marble we call Earth remains in large part a mystery to the 8 billion people who live on it. How did Earth come to exist, and what are the secrets of its survival? How long will humans be able to call it "home"?
For centuries, we've been fascinated by our nearest planetary neighbor, Venus, and its shimmering appearance in our night sky. But this glowing yellow orb that's about the same size as our world is covered in massive volcanoes, poisonous clouds of acid rain, and a surface temperature hot enough to melt lead. Is Venus our evil twin-or a warning about what Earth will become in the future?
Humanity faces existential threats from space, ranging from asteroid impacts and radiation bursts to alien pathogens. Exploring potential defenses and the prospect of survival.
Host and Executive Producer William Shatner explores our earth, and beyond, in search of the universe's most fascinating, strange and inexplicable mysteries.