Season 2 Episode
- Season 1 Jupiter: King of the Planets
- Season 1 Mars: The Definitive Guide
- Season 1 Venus: The Hell Planet
- Season 1 Saturn: Mysteries Among the Rings
- Season 1 Planet 9: The Lost World
- Season 1 Pluto: The Secret Science
- Season 1 Alien Worlds: Stranger Than Fiction
- Season 1 The Moon: Earth's Guardian Angel
The Planets and Beyond - Season 1 Episode 5 Planet 9: The Lost World
8.17 43 minutes Astronaut Mike Massimino investigates the possibility of a giant ninth planet at the edge of the solar system; using the latest technology, he reveals the incredible secrets of this mysterious world.
