Season 4 poster

Season 4

17 episodes January 31, 2007

Episodes

1 Glacier Meltdown Jan 31, 2007 No ratings 2 Destructive Forces Feb 21, 2007 No ratings 3 Stone Age Apocalypse Feb 28, 2007 No ratings 4 Comets Mar 7, 2007 No ratings 5 Prehistoric Americans Mar 14, 2007 No ratings 6 Deep Space Probes Mar 27, 2007 No ratings 7 Dino Meteor Apr 12, 2007 No ratings 8 Planet Storm Apr 26, 2007 No ratings 9 Polar Apocalypse Apr 1, 2007 No ratings 10 Killer Lakes May 3, 2007 No ratings 11 Ring of Fire Aug 2, 2007 No ratings 12 Alien Safari Aug 9, 2007 No ratings 13 Hyper Hurricanes Oct 18, 2007 No ratings 14 Dangers of the Deep Oct 25, 2007 No ratings 15 Solar Force Oct 30, 2007 No ratings 16 Birth of the Solar System Nov 6, 2007 No ratings 17 Hubble Trouble Nov 6, 2007 No ratings