The BEST episodes of How the Universe Works season 3

Every episode of How the Universe Works season 3, ranked from best to worst by thousands of votes from fans of the show. The best episodes of How the Universe Works season 3!

A users' guide to the cosmos, from the Big Bang to galaxies, stars, planets and moons: where did it all come from and how does it all fit together? A primer for anyone who has ever looked up at the night sky and wondered.

Last Updated: 4/23/2024Network: Science ChannelStatus: Continuing
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Our Voyage to the Stars
star
7.41
135 votes

#1 - Our Voyage to the Stars

Season 3 - Episode 8 - Aired 8/27/2014

One day, a cosmic disaster will make life on Earth impossible. To survive, we must find a new home amongst the stars. Scientists are already developing new propulsion systems to take us to these distant worlds.

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Journey From the Center of the Sun
star
7.31
140 votes

#2 - Journey From the Center of the Sun

Season 3 - Episode 1 - Aired 7/9/2014

How does light escape from the sun? We take a journey from the centre of the sun, following the path of light. We witness its fiery birth from in the core, its 430,000 mile battle against gravity and magnetism, and its escape from the solar surface.

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Is Saturn Alive?
star
7.27
131 votes

#3 - Is Saturn Alive?

Season 3 - Episode 5 - Aired 8/6/2014

Saturn’s secrets are out. The ferocious weather, the evolving ring system and the discovery of active geology on Saturn’s moons has rewritten the textbooks. Scientists are looking for life on Saturn’s moons and they may have found it on Titan.

Watch Now:Amazon
Weapons of Mass Extinction
star
7.23
120 votes

#4 - Weapons of Mass Extinction

Season 3 - Episode 6 - Aired 8/13/2014

Asteroids strike, planets collide, black holes blast out death rays, volcanoes erupt and ice engulfs the planet. These are the universe’s weapons of extinction. They’ve happened before - wiping out entire species, and they will happen again. Are we next?

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First Second of the Big Bang
star
7.23
134 votes

#5 - First Second of the Big Bang

Season 3 - Episode 4 - Aired 7/30/2014

The first second of the Universe, the creation of everything when space, time, matter and energy burst into existence. It is the most important second in history, which seals the Universe’s fate and defines everything that comes after - including us.

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Did a Black Hole Build the Milky Way?
star
7.23
167 votes

#6 - Did a Black Hole Build the Milky Way?

Season 3 - Episode 7 - Aired 8/20/2014

What built the Milky Way? New research might now have the answer, revealing an unlikely hero. At the heart of our galaxy sits a super massive black hole, one of the most destructive objects in the Universe. Could it be our creator?

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Jupiter: Destroyer or Savior?
star
7.21
163 votes

#7 - Jupiter: Destroyer or Savior?

Season 3 - Episode 3 - Aired 7/23/2014

Beneath Jupiter's clouds lie our solar system's deepest secrets: from its violent youth, through the birth of life to the death of the sun. Scientists are discovering that the solar system, the Earth and every living thing exists because of Jupiter.

The End of the Universe
star
7.15
177 votes

#8 - The End of the Universe

Season 3 - Episode 2 - Aired 7/16/2014

How and when will the Universe end? Gravity and dark matter are poised to annihilate the Universe in a big crunch. Expansion and dark energy may tear it apart. Or, a phase transition could kill us tomorrow in a cosmic death bubble.

Watch Now:Amazon
The Search for a Second Earth
star
7.07
150 votes

#9 - The Search for a Second Earth

Season 3 - Episode 9 - Aired 9/3/2014

Is there another Earth out there with liquid oceans, rocky continents and life like us? Astronomers seek the answer with spectroscopy, direct imaging and telescopes. They hope to find evidence of atmospheres, magnetospheres and signs of life.

Watch Now:Amazon