Season 1 (2009)
7.28 avg 22 episodes 7.4 → 6.7 25 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Birth of the Moon | 7.4 | 7 |
| 2 | Attack of the Sun | 7.4 | 5 |
| 3 | Saturn's Mysterious Moons | 7.8 | 5 |
| 4 | Mars: Earth That Never Was | 7.4 | 5 |
| 6 | The Largest Black Holes in the Universe | 7.9 | 7 |
| 7 | How Large Is the Universe | 8.0 | 5 |
| 8 | When Will Time End | 6.8 | 13 |
| 9 | The Incredible Journey of Apollo 12 | 7.1 | 7 |
| 10 | Supermassive Black Hole in the Milky Way Galaxy | 7.6 | 10 |
| 11 | The Search for Earthlike Planets | 7.4 | 5 |
| 12 | Voyage to Pandora | 6.7 | 7 |
| 13 | Venus: Death of a Planet | 7.5 | 11 |
| 14 | The Most Powerful Objects in the Universe | 6.7 | 6 |
| 15 | Is the Universe Infinite? | 7.1 | 7 |
| 17 | The Riddle of AntiMatter | 6.6 | 5 |
| 20 | Birth of a Black Hole | 7.4 | 5 |
| 21 | Solar Superstorms | 8.2 | 14 |
| 22 | Voyager: Journey to the Stars | 7.7 | 6 |
| 23 | Earth in 1000 Years | 6.4 | 33 |
| 24 | Reinventing Space Flight | 7.7 | 7 |
| 29 | The Age of Hubble | 6.7 | 66 |
| 30 | SuperTornado: Anatomy of a MegaDisaster | 6.7 | 44 |
