Ep. 30: The Day the Earth Became Barren
Episode
- Ep. 26 · The Mysterious Space Lifeform
- Ep. 27 · The Spy Who I Trusted
- Ep. 28 · The Do-or-Die Rendezvous Flight
- Ep. 29 · The Earth Ice Age Plot
- Ep. 30 · The Day the Earth Became Barren
- Ep. 31 · Prelude to Destruction
- Ep. 32 · Prelude to Destruction, Part One
- Ep. 33 · Prelude to Destruction Part Two
- Ep. 34 · Earth's Long Afternoon