

All Episodes of Secrets of the Earth
Browse all episodes of Secrets of the Earth
Computer graphics, visual analogies and a recurring cast of expert scientists combine to reveal new aspects of the world you think you know, from canyons of gravity that warp space and time to rain triggered
Season 1
Goldilocks
Season 1 Episode 4 - Aired 6/20/2013
Earth's distance from the sun is just right to sustain life, with neighbors Venus and Mars illustrating the impact of a slight difference in location.
Director: Unknown
Writer: Unknown
Magnetic Shield
Season 1 Episode 5 - Aired 6/27/2013
A metallic core at the center of the Earth turns the planet into a magnet, generating a field that protects life on the surface from cosmic radiation.
Director: Unknown
Writer: Unknown
Strangest Places
Season 1 Episode 9 - Aired 8/1/2013
The world's most astonishing sites include extreme underwater ecosystems, steamy subterranean worlds and stratling igneous formations of lava rock.
Director: Unknown
Writer: Unknown
