1
Death Stars
Death stars are in the final stage of life until they explode into supernovae.
44min | Aired on Aug 18, 2009 | TV-PG | CC
2
The Day the Moon Was Gone
How Earth without the moon would be a very different and desolate place.
44min | Aired on Aug 25, 2009 | TV-PG | CC
3
It Fell From Space
Scientists gain insights into the cosmos from objects that fall from the heavens.
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
Rings around planets reveal secrets of the origins of the Earth's solar system and distant galaxies.
45min | Aired on Sep 15, 2009 | TV-PG | CC
6
10 Ways to Destroy the Earth
Experts come up with 10 ways the Earth could be destroyed, including hurling it into the sun.
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
How future weapons might work and how effective they might be if outer space becomes militarized.
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
Pulsars are relatively tiny but spin fast; quasars are huge cores of galaxies with black holes.
45min | Aired on Oct 27, 2009 | TV-PG | CC
11
Science Fiction. Science Fact.
Exploring the universe and its mysteries.
45min | Aired on May 29, 2007 | TV-PG | CC
12
Extreme Energy
Vast amounts of various forms of energy maintain the universe's equilibrium.
45min | Aired on Nov 10, 2009 | TV-PG | CC
season 4
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