Known Universe (2009)
- Genre: Documentary
- First Air Date: 2009-02-15
- Last Air Date: 2011-06-23
- Total Seasons: 3
- Total Episodes: 17
- Status: Ended
- Episode Runtime: 60 min.
- Network: National Geographic
Watch Known Universe TV Series Episodes Online.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Fastest | 2009-02-15 | 60 min |
| Season 1 | Episode 2 | The Biggest and Smallest | 2009-02-15 | 60 min |
| Season 1 | Episode 3 | The Most Explosive | 2009-02-15 | 60 min |
| Season 2 | Episode 1 | Cosmic Collisions | 2010-04-01 | 60 min |
| Season 2 | Episode 2 | Stellar Storms | 2010-04-08 | 60 min |
| Season 2 | Episode 3 | Alien Contact | 2010-04-15 | 60 min |
| Season 2 | Episode 4 | Decoding the Skies | 2010-04-29 | 60 min |
| Season 2 | Episode 5 | Final Frontiers | 2010-05-06 | 60 min |
| Season 2 | Episode 6 | Cosmic Fury | 2010-05-13 | 60 min |
| Season 3 | Episode 1 | Surviving Outer Space | 2011-05-05 | 60 min |
| Season 3 | Episode 2 | Treasure Hunt | 2011-05-12 | 60 min |
| Season 3 | Episode 3 | Most Powerful Stars | 2011-05-19 | 60 min |
| Season 3 | Episode 4 | Extreme Space Tech | 2011-05-26 | 60 min |
| Season 3 | Episode 5 | Biggest Cosmic Blasts | 2011-06-02 | 60 min |
| Season 3 | Episode 6 | Construction Zone | 2011-06-09 | 60 min |
| Season 3 | Episode 7 | Escaping Earth | 2011-06-16 | 60 min |
| Season 3 | Episode 8 | End of the World | 2011-06-23 | 60 min |