West Coast Tsunami
Episode: 1x01 | Airdate: May 23, 2006
Season 1
Tornado Alley Twister
Episode: 1x02 | Airdate: May 30, 2006
New York City Hurricane
Episode: 1x03 | Airdate: Jun 6, 2006
American Volcano
Episode: 1x04 | Airdate: Jun 13, 2006
Asteroid Apocalypse
Episode: 1x05 | Airdate: Jun 20, 2006
Earthquake in the Heartland
Episode: 1x06 | Airdate: Jun 27, 2006
Yellowstone Eruption
Episode: 1x07 | Airdate: Jul 4, 2006
Windy City Tornado
Episode: 1x08 | Airdate: Jul 11, 2006
East Coast Tsunami
Episode: 1x09 | Airdate: Jul 18, 2006
Mega Blast
Episode: 1x10 | Airdate: Jul 25, 2006
Mega Freeze
Episode: 1x11 | Airdate: Aug 1, 2006
California's Katrina
Episode: 1x12 | Airdate: Aug 8, 2006
San Francisco Earthquake
Episode: 1x13 | Airdate: Aug 15, 2006
Season 2
Comet Catastrophe
Episode: 2x01 | Airdate: Sep 4, 2007
Gamma Ray Burst
Episode: 2x02 | Airdate: Sep 11, 2007
Krakatoa's Revenge
Episode: 2x03 | Airdate: Sep 18, 2007
Hawaii Apocalypse
Episode: 2x04 | Airdate: Sep 25, 2007
Methane Explosion
Episode: 2x05 | Airdate: Oct 2, 2007
Glacier Meltdown
Episode: 2x06 | Airdate: Oct 9, 2007
Alien Infection
Episode: 2x07 | Airdate: Oct 16, 2007
New York Earthquake
Episode: 2x08 | Airdate: Oct 23, 2007
Mega Drought
Episode: 2x09 | Airdate: Oct 30, 2007
Super Swarms
Episode: 2x10 | Airdate: Nov 7, 2007
Oil Apocalypse
Episode: 2x11 | Airdate: Nov 14, 2007
L.A.'s Killer Quake
Episode: 2x12 | Airdate: Nov 20, 2007
The Next Pompeii?
Episode: 2x13 | Airdate: Nov 28, 2007
Season 3
Hypercane
Episode: 3x01 | Airdate: May 6, 2008
Noah's Great Flood
Episode: 3x02 | Airdate: May 13, 2008
Mega Tsunami
Episode: 3x03 | Airdate: May 20, 2008
Volcanic Winter
Episode: 3x04 | Airdate: May 27, 2008
Dam Break
Episode: 3x05 | Airdate: Jun 3, 2008
Glow Train
Episode: 3x06 | Airdate: Jun 11, 2008
Atlantis Apocalypse
Episode: 3x07 | Airdate: Jun 17, 2008
Comet Storm
Episode: 3x08 | Airdate: Jun 24, 2008
Prehistoric English Superflood
Episode: 3x09 | Airdate: Jul 1, 2008
Airborne Attack
Episode: 3x10 | Airdate: Jul 8, 2008
Deadly Jet Collision
Episode: 3x11 | Airdate: Jul 15, 2008
Toxic Cloud
Episode: 3x12 | Airdate: Jul 22, 2008