Killer Asteroid
Episode: 2004-09-15 | Airdate: Sep 15, 2004
Season 2004
Super Volcano
Episode: 2004-09-22 | Airdate: Sep 22, 2004
Angry Earth
Episode: 2004-09-29 | Airdate: Sep 29, 2004
Who Built Stonehenge?
Episode: 2004-10-06 | Airdate: Oct 6, 2004
The Deadliest Shark
Episode: 2004-11-10 | Airdate: Nov 10, 2004
Bermuda Triangle
Episode: 2004-11-17 | Airdate: Nov 17, 2004
Atlantis
Episode: 2004-11-24 | Airdate: Nov 24, 2004
Alien Contact
Episode: 2004-12-01 | Airdate: Dec 1, 2004
Angry Skies
Episode: 2004-12-22 | Airdate: Dec 22, 2004
What is Human?
Episode: 2004-12-08 | Airdate: Dec 8, 2004
Season 2005
Earth's Core
Episode: 2005-01-05 | Airdate: Jan 5, 2005
Surviving Nature's Fury
Episode: 2005-01-12 | Airdate: Jan 12, 2005
Shark Attacks
Episode: 2005-01-22 | Airdate: Jan 22, 2005
Telepathy
Episode: 2005-02-16 | Airdate: Feb 16, 2005
Volcano Alert
Episode: 2005-03-10 | Airdate: Mar 10, 2005
Spacemen
Episode: 2006-08-29 | Airdate: Aug 29, 2006
Bullets (Ballistics Investigated)
Episode: 2005-09-12 | Airdate: Sep 12, 2005
Tsunami Warning
Episode: 2005-10-17 | Airdate: Oct 17, 2005
Birth of the Earth
Episode: 2006-09-06 | Airdate: Sep 6, 2006
Landslides
Episode: 2010-10-31 | Airdate: Oct 31, 2010
Loch Ness
Episode: 2005-11-07 | Airdate: Nov 7, 2005
Close Encounters
Episode: 2005-12-17 | Airdate: Dec 17, 2005
Season 2006
Moon Mysteries
Episode: 2006-01-15 | Airdate: Jan 15, 2006
What's Sexy?
Episode: 2006-02-13 | Airdate: Feb 13, 2006
Death of the Sun
Episode: 2006-03-20 | Airdate: Mar 20, 2006
Big Freeze
Episode: 2006-03-29 | Airdate: Mar 29, 2006
Roman Technology Investigated
Episode: 2006-04-26 | Airdate: Apr 26, 2006
Lightning Strike Investigated
Episode: 2006-05-24 | Airdate: May 24, 2006
The Deep
Episode: 2006-06-28 | Airdate: Jun 28, 2006
Explosive Force
Episode: 2006-07-05 | Airdate: Jul 5, 2006
Pyramids
Episode: 2006-07-12 | Airdate: Jul 12, 2006
Colliding Continents
Episode: 2006-07-19 | Airdate: Jul 19, 2006
Birth of the Universe
Episode: 2006-09-06 | Airdate: Sep 6, 2006
Freeze Me
Episode: 2006-09-20 | Airdate: Sep 20, 2006
Forensics Under Fire
Episode: 2006-10-12 | Airdate: Oct 12, 2006
Ancient Asteroid
Episode: 2006-10-21 | Airdate: Oct 21, 2006
Extinctions
Episode: 2006-11-02 | Airdate: Nov 2, 2006
Deadliest Planets
Episode: 2006-12-06 | Airdate: Dec 6, 2006
Was Darwin Wrong?
Episode: 2006-12-07 | Airdate: Dec 7, 2006
Season 2007
Glacier Meltdown
Episode: 2007-01-31 | Airdate: Jan 31, 2007
Destructive Forces
Episode: 2007-02-21 | Airdate: Feb 21, 2007
Stone Age Apocalypse
Episode: 2007-02-28 | Airdate: Feb 28, 2007
Comets
Episode: 2007-03-07 | Airdate: Mar 7, 2007
Prehistoric Americans
Episode: 2007-03-14 | Airdate: Mar 14, 2007
Deep Space Probes
Episode: 2007-03-27 | Airdate: Mar 27, 2007
Polar Apocalypse
Episode: 2007-04-01 | Airdate: Apr 1, 2007
Dino Meteor
Episode: 2007-04-12 | Airdate: Apr 12, 2007
Planet Storm
Episode: 2007-04-26 | Airdate: Apr 26, 2007
Killer Lakes
Episode: 2007-03-05 | Airdate: Mar 5, 2007
Ring of Fire
Episode: 2007-08-02 | Airdate: Aug 2, 2007
Comet Mysteries
Episode: 2007-08-09 | Airdate: Aug 9, 2007
Alien Safari
Episode: 2007-08-09 | Airdate: Aug 9, 2007
Hyper Hurricanes
Episode: 2007-10-18 | Airdate: Oct 18, 2007
Dangers of the Deep
Episode: 2007-10-25 | Airdate: Oct 25, 2007
Solar Force
Episode: 2007-10-30 | Airdate: Oct 30, 2007
Birth of the Solar System
Episode: 2007-11-06 | Airdate: Nov 6, 2007
Hubble Trouble
Episode: 2007-11-06 | Airdate: Nov 6, 2007
Season 2008
Grand Canyon
Episode: 2008-02-11 | Airdate: Feb 11, 2008
The Rockies
Episode: 2008-02-28 | Airdate: Feb 28, 2008
Birth of America
Episode: 2008-03-06 | Airdate: Mar 6, 2008
Birth of Life
Episode: 2008-03-13 | Airdate: Mar 13, 2008
Pluto Rediscovered
Episode: 2008-03-20 | Airdate: Mar 20, 2008
Mars: Waterworld
Episode: 2008-05-25 | Airdate: May 25, 2008
Saturn's Secrets
Episode: 2008-05-25 | Airdate: May 25, 2008
Asteroid Alert
Episode: 2008-05-27 | Airdate: May 27, 2008
First to Cross the Ocean
Episode: 2008-08-28 | Airdate: Aug 28, 2008
The incredible skills, resources, and ingenuity required of the earliest seafaring societies in Southeast Asia, the Viking explorers of Europe, and the Polynesians trying to become the first humans to cross the open ocean are examined in this episode. (This episode is also referred to as "First Mariners" on some unofficial sources.)
Time Machine
Episode: 2008-09-11 | Airdate: Sep 11, 2008
Earth's Invisible Shield
Episode: 2008-09-18 | Airdate: Sep 18, 2008
Big Bang
Episode: 2008-09-25 | Airdate: Sep 25, 2008
Hubble's Amazing Universe
Episode: 2008-10-05 | Airdate: Oct 5, 2008
Supercontinent
Episode: 2008-10-09 | Airdate: Oct 9, 2008
Giant Crystal Cave
Episode: 2008-10-12 | Airdate: Oct 12, 2008
Death of the Universe
Episode: 2008-10-16 | Airdate: Oct 16, 2008
Who Killed the Aztecs?
Episode: 2008-11-13 | Airdate: Nov 13, 2008
Five Years on Mars
Episode: 2008-11-02 | Airdate: Nov 2, 2008
Season 2009
Solar Storm
Episode: 2009-02-05 | Airdate: Feb 5, 2009
Super Diamonds
Episode: 2009-02-26 | Airdate: Feb 26, 2009
Birth of the Oceans
Episode: 2009-03-05 | Airdate: Mar 5, 2009
Ice Age Meltdown
Episode: 2009-03-09 | Airdate: Mar 9, 2009
Death of the Earth
Episode: 2009-03-11 | Airdate: Mar 11, 2009
Journey to Jupiter
Episode: 2009-03-12 | Airdate: Mar 12, 2009
Death of a Star
Episode: 2009-03-12 | Airdate: Mar 12, 2009
Monster Black Holes
Episode: 2009-03-26 | Airdate: Mar 26, 2009
Great Lakes
Episode: 2009-04-02 | Airdate: Apr 2, 2009
How to Kill a Planet
Episode: 2009-04-23 | Airdate: Apr 23, 2009
Cracking the Earth's Crust
Episode: 2009-05-07 | Airdate: May 7, 2009 (30 min)
A look at how the outer skin of the planet preserves and enriches life on Earth; new insights into Earth's largely unknown interior.
Anatomy of a Hurricane
Episode: 2009-06-04 | Airdate: Jun 4, 2009
Twister Outbreak
Episode: 2009-06-04 | Airdate: Jun 4, 2009
Earth's Evil Twin
Episode: 2009-06-25 | Airdate: Jun 25, 2009
Secret World of Fireworks
Episode: 2009-07-02 | Airdate: Jul 2, 2009
Tsunami from Outer Space
Episode: 2009-07-09 | Airdate: Jul 9, 2009
How the West Was Made
Episode: 2009-07-16 | Airdate: Jul 16, 2009
Living on the Moon
Episode: 2009-07-19 | Airdate: Jul 19, 2009
Hawking's Universe
Episode: 2009-08-23 | Airdate: Aug 23, 2009
Incinerator Earth
Episode: 2009-10-22 | Airdate: Oct 22, 2009
Earthquake Swarm
Episode: 2009-11-05 | Airdate: Nov 5, 2009
Dirty Bombs
Episode: 2009-11-12 | Airdate: Nov 12, 2009
Countdown to Impact
Episode: 2009-12-03 | Airdate: Dec 3, 2009
Vesuvius Time Bomb
Episode: 2009-12-10 | Airdate: Dec 10, 2009
Ancient Astronomers
Episode: 2009-12-17 | Airdate: Dec 17, 2009
The Human Family Tree
Episode: | Airdate:
Season 2010
Surviving Ancient Alaska
Episode: 2010-01-28 | Airdate: Jan 28, 2010
Earth Without the Moon
Episode: 2010-02-04 | Airdate: Feb 4, 2010
Finding the Origin of Life
Episode: 2010-02-11 | Airdate: Feb 11, 2010
Traveler's Guide to Mars
Episode: 2010-02-14 | Airdate: Feb 14, 2010
Preventing Armageddon
Episode: 2010-02-18 | Airdate: Feb 18, 2010
Hunt for Aliens
Episode: 2010-04-02 | Airdate: Apr 2, 2010
Expedition Apocalypse
Episode: 2010-04-08 | Airdate: Apr 8, 2010
Earth from Above
Episode: 2010-04-22 | Airdate: Apr 22, 2010
A Traveler's Guide to Saturn
Episode: 2010-04-29 | Airdate: Apr 29, 2010
Iceland Volcano Eruption
Episode: 2010-04-29 | Airdate: Apr 29, 2010
10 Things You Didn't Know About Tsunamis
Episode: 2010-06-10 | Airdate: Jun 10, 2010
Dead Tired
Episode: 2010-06-17 | Airdate: Jun 17, 2010
21st Century Submarine
Episode: 2010-06-24 | Airdate: Jun 24, 2010
Easter Island Eclipse
Episode: 2010-07-11 | Airdate: Jul 11, 2010
Swallowed by the Sun
Episode: 2010-07-22 | Airdate: Jul 22, 2010
When the Earth Stops Spinning
Episode: 2010-07-29 | Airdate: Jul 29, 2010
Lightning Chasers
Episode: 2010-08-05 | Airdate: Aug 5, 2010
Man-Made Disasters
Episode: 2010-11-01 | Airdate: Nov 1, 2010
City Under the Sea
Episode: 2010-11-10 | Airdate: Nov 10, 2010
Ancient Sea Monsters
Episode: 2010-11-18 | Airdate: Nov 18, 2010
Alien Fireballs
Episode: 2010-12-02 | Airdate: Dec 2, 2010
Season 2011
Solar Powered Flight
Episode: 2011-01-13 | Airdate: Jan 13, 2011
Star Clock BC
Episode: 2011-01-20 | Airdate: Jan 20, 2011
Dinomorphosis
Episode: 2011-01-27 | Airdate: Jan 27, 2011
The Book That Can't Be Read
Episode: 2011-02-04 | Airdate: Feb 4, 2011
Birth of the Grand Canyon
Episode: 2011-02-24 | Airdate: Feb 24, 2011
Storm Worlds
Episode: 2011-03-24 | Airdate: Mar 24, 2011
O2 The Molecule That Made the World
Episode: 2011-05-12 | Airdate: May 12, 2011
Living in a Parallel Universe
Episode: 2011-05-23 | Airdate: May 23, 2011
Venom Power
Episode: 2011-05-26 | Airdate: May 26, 2011
World's Oldest Child
Episode: 2011-06-16 | Airdate: Jun 16, 2011
Fireball of Christ
Episode: 2011-07-29 | Airdate: Jul 29, 2011
Make Me Superhuman
Episode: 2011-08-12 | Airdate: Aug 12, 2011
Sea Strikers
Episode: 2011-08-19 | Airdate: Aug 19, 2011
Life After Dinosaurs
Episode: 2011-08-26 | Airdate: Aug 26, 2011
Holiday in Outer Space
Episode: 2011-08-29 | Airdate: Aug 29, 2011
Volcano Devils
Episode: 2011-09-28 | Airdate: Sep 28, 2011
Five Years on Mars
Episode: 2008-02-11 | Airdate: Feb 11, 2008
Finding the Next Earth
Episode: 2011-12-13 | Airdate: Dec 13, 2011
Expedition Whisky
Episode: 2011-11-03 | Airdate: Nov 3, 2011