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William Shatner explores our earth, and beyond, in search of the universe’s most fascinating, strange and inexplicable mysteries. Each episode features contributions from scientists, historians, astronauts and other experts—each seeking to shed light on how the seemingly impossible actually can happen. Seeking answers to age-old questions that have mystified mankind for centuries. Things like, how was our earth born? Will we go back to the moon—or venture even farther? What dangers might lurk in the deep expanse of outer space? And perhaps the biggest of all—are we alone?
Seasons
Episode 1
Are We Alone?
42m
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. Does the recent string of strange encounters and phenomena get us closer to answering the age old questions, are we alone in the universe? What tools are we using to hunt for signs of life in outer space? And is it possible that evidence of alien intelligence has actually reached planet Earth?
Episode 2
Alien Earthlings
42m
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?
Episode 3
Mysterious Earth
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"?
Episode 4
Venus: Earth's Evil Twin
42m
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?
Episode 5
Dangers From Space
42m
From massive asteroids and deadly bursts of radiation to microscopic alien viruses, each one of these cosmic dangers may end human civilization as we know it. Can we prepare for the inevitable calamity that may be coming our way? Or are we doomed to oblivion?
Episode 6
Search for the Next Frontier
42m
We humans want to boldly go into uncharted territories to make new discoveries. As the next era of space exploration begins, what will we find when we reach other planets? What dangers will we face when we try to conquer these new frontiers?
Episode 7
Alien Moons
42m
Earth’s moon is only one of hundreds in the solar system–each of them a mysterious and often bizarre world. Could alien moons offer a key to exploring outer space and perhaps even finding a new home for humanity?
Episode 8Latest episode
The Life and Death of the Sun
42m
Humanity has worshipped the Sun since the beginning of time, and yet even with our modern technology, we still know so little about it. Could unlocking the mysteries of the Sun be the difference between life and death for human civilization?
