The Immortals Cosmos: A Spacetime Odyssey : Season 1 Episode 11

TV-PG National Geographic 45m int(0)

Aired: May 18th, 2014 @ 7:00 PM EST on National Geographic

The Ship of the Imagination travels across the cosmos to discover the possibility of beings that live forever and explain why other civilizations perish. Then, visit the Cosmic Calendar of the Future and contemplate what lies ahead with a hopeful vision.