2 - 1Alien Planets Nov. 27, 2007
2 - 2Cosmic Holes Dec. 04, 2007
2 - 3Mysteries of the Moon Dec. 11, 2007
2 - 4The Milky Way Dec. 18, 2007
2 - 5Alien Moons Jan. 08, 2008
2 - 6Dark Matter Jan. 15, 2008
2 - 7Astrobiology Jan. 29, 2008
2 - 8Space Travel Feb. 05, 2008
2 - 9Supernovas Feb. 12, 2008
2 - 10Constellations Feb. 19, 2008
2 - 11Unexplained Mysteries Feb. 26, 2008
2 - 12Cosmic Collisions Mar. 04, 2008
2 - 13Colonizing Space Mar. 11, 2008
2 - 14Nebulas Apr. 01, 2008
2 - 15Wildest Weather in the Cosmos Apr. 08, 2008
2 - 16Biggest Things in Space Apr. 15, 2008
2 - 17Gravity Apr. 22, 2008
2 - 18Cosmic Apocalypse Apr. 29, 2008