Other episodes for this season

Cosmic Debris
Episode 1 - Cosmic Debris
Messenger to Mercury
Episode 2 - Messenger to Mercury
Return to the Moon
Episode 3 - Return to the Moon
The Sun Revealed
Episode 4 - The Sun Revealed
We Just Don't Know
Episode 5 - We Just Don't Know
Battle of the Giants
Episode 6 - Battle of the Giants
Rise of the Phoenix
Episode 7 - Rise of the Phoenix
Double Vision
Episode 8 - Double Vision
Galaxy Zoo
Episode 9 - Galaxy Zoo
Astral Autumn
Episode 10 - Astral Autumn
Big Bangs
Episode 11 - Big Bangs
Other Worlds
Episode 12 - Other Worlds