Season 6 episodes2011-10-25

Season 6

From the planets to the stars and out to the edge of the unknown, history and science collide in a wondrous yet deadly adventure through space and time.

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Episodes

Season 6

Episode 1

Catastrophes that Changed the Planets

45m

Episode 2

Nemesis: The Sun's Evil Twin

45m

Episode 3

How the Solar System was Made

45m

Episode 4

Crash Landing on Mars

45m

Episode 5

Worst Days on Planet Earth

45m

Season 6

Season 6

Catastrophes that Changed the Planets

Nemesis: The Sun's Evil Twin

How the Solar System was Made

Crash Landing on Mars

Worst Days on Planet Earth

UFO: The Real Deal

God and the Universe