The BEST episodes of Known Universe season 2

Every episode of Known Universe season 2, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Known Universe season 2!

Ever wondered what would happen if you were sucked into a black hole? Or, if wormholes could make time travel a reality? And could life on Earth survive a huge meteor strike like the one that took out the dinosaurs? This series combines the most current scientific information, cutting-edge computer graphics, dramatic time-lapse sequences and everyday examples to shed light on some of the most mind-boggling aspects of our universe.

Last Updated: 10/12/2024Network: National GeographicStatus: Ended
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Final Frontiers
star
8.22
158 votes

#1 - Final Frontiers

Season 2 - Episode 5 - Aired 5/6/2010

More than 70 percent of Earth is covered in water, but we've only explored roughly 5 percent of it. We've roamed even less of our solar system. Now, armed with some of the latest advances in technology, we join scientists on a voyage into the unknown - from the far reaches of space to the extreme depths of our oceans - where new discoveries have experts questioning everything we know about the universe, and ultimately ourselves.

Watch Now:Amazon
Stellar Storms
star
8.16
158 votes

#2 - Stellar Storms

Season 2 - Episode 2 - Aired 4/8/2010

Earth's weather is compared to that of other planets; cataclysmic space weather that could cripple life on Earth.

Watch Now:Amazon
Cosmic Fury
star
7.85
125 votes

#3 - Cosmic Fury

Season 2 - Episode 6 - Aired 5/13/2010

Earthquakes and volcanoes pose an unpredictable and deadly threat here on Earth, but they also occur far out in the universe. What can we learn from these interplanetary phenomena that may help us predict when Mother Nature will next unleash her fury? Scientists are looking to Io, a moon of Jupiter that is jam-packed with volcanoes, for insights. Then we'll travel deep under the Earth's crust to see the physical source of these catastrophic events.

Watch Now:Amazon
Decoding The Skies
star
7.80
155 votes

#4 - Decoding The Skies

Season 2 - Episode 4 - Aired 4/29/2010

Our ancestors' relationship with the heavens led to some of mankind's ancient discoveries and greatest creations. The ancient Greeks discovered Earth was round; the Polynesians used the sun and stars to navigate vast oceans in simple canoes; some think amazing structures like Stonehenge were designed to observe the sky. Now, Known Universe examines mankind's first observations of the cosmos to understand how they put us on the path to modern discovery.

Watch Now:Amazon
Alien Contact
star
7.25
189 votes

#5 - Alien Contact

Season 2 - Episode 3 - Aired 4/15/2010

Are we alone? It's an age-old question that was relatively "taboo" in mainstream science until the mid-1990s, when astronomers found planets outside our solar system. Now, Known Universe joins the hunt for alien life as scientists search for planets with similar characteristics to Earth's. We'll take you on a journey to find planets that may support life and show you new space-based technologies that aid in the search for advanced alien civilizations.

Watch Now:Amazon
Cosmic Collisions
star
7.23
161 votes

#6 - Cosmic Collisions

Season 2 - Episode 1 - Aired 4/1/2010

The collisions that created Earth and the moon; the people who work to stave off the apocalypse; violent impacts deep in the cosmos.

Watch Now:Amazon