68
Where to Watch
Region
The Roku Channel
Stream with ads
HD
Included
Spectrum On Demand
Watch free
HD
Included
Philo
Stream included
HD
Included
Prices last updated September 29, 2026. Pricing and availability may vary by region.
powered by JustWatch
Seasons
All seasonsAbout
The story of the discovery and exploration of the planets, revealing the deepest secrets of our neighbors in space.
First Aired
Aug 22, 2017
Last Aired
Sep 25, 2018
Seasons
2
Episodes
23
Network
Science
Keywords
