1
Death Stars
Death stars are in the final stage of life before they explode into supernovae.
44min | Aired on Aug 18, 2009 | TV-PG | CC
2
The Day the Moon Was Gone
Without the moon, Earth would be a very different and desolate place today.
44min | Aired on Aug 25, 2009 | TV-PG | CC
3
It Fell From Space
Thousands of objects both natural and manmade plummet through our atmosphere.
44min | Aired on Sep 01, 2009 | TV-PG | CC
4
Biggest Blasts
The Big Bang, supernovas, gamma ray bursts and other explosions in the universe.
45min | Aired on Sep 08, 2009 | TV-PG | CC
5
The Hunt for Ringed Planets
Stunning rings of Saturn have mesmerized countless scientists over the centuries.
45min | Aired on Sep 15, 2009 | TV-PG | CC
6
10 Ways to Destroy the Earth
In this episode, our experts cook up ten ways you could destroy the earth.
45min | Aired on Sep 22, 2009 | TV-PG | CC
7
The Search for Cosmic Clusters
Find out why clusters of stars and galaxies are uniquely important in the quest to understand the universe.
44min | Aired on Sep 29, 2009 | TV-PG | CC
8
Space Wars
Outer space is already an essential part of America's ability to fight wars.
44min | Aired on Oct 06, 2009 | TV-PG | CC
9
Liquid Universe
On alien planets, it rains from the sky as scalding iron.
45min | Aired on Feb 01, 2012 | TV-PG | CC
10
Pulsars & Quasars
They sound like the same phenomenon, but Pulsars and Quasars are very different.
45min | Aired on Oct 27, 2009 | TV-PG | CC
11
Science Fiction. Science Fact.
The fantastic world of tomorrow is quickly becoming the futuristic world of today.
45min | Aired on May 29, 2007 | TV-PG | CC
12
Extreme Energy
Ours is a universe of energy.
45min | Aired on Nov 10, 2009 | TV-PG | CC
season 4
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