No. of Episodes:

18

Starring :

Lance Lewman

Jay O. Sanders

Craig Sechler

Jamie Effros

Henry Ian Cusick

Season 37

06/10/2009

Episodes

Darwin's Darkest Hour

Hubble's Amazing Rescue

Lizard Kings

Becoming Human: First Steps

Becoming Human: Birth of Humanity

Becoming Human: Last Human Standing

What Are Dreams?

What Darwin Never Knew

Killer Subs in Pearl Harbor

Building Pharaoh's Ship

Riddles of the Sphinx

Ghosts of Machu Picchu

Extreme Cave Diving

The Pluto Files

Hunting the Edge of Space: The Mystery of the Milky Way

Hunting the Edge of Space: The Ever Expanding Universe

Mind Over Money

Mt. St. Helens Back From the Dead