Ep. 17: The challenge of Ul Quorn
Ipinalabas noong Marso 6, 1979
17
Mga Episode
- Ep. 13 · When the atmosphere of the planet disappears
- Ep. 14 · The tragic Dark Planet
- Ep. 15 · The Law of the Watcher
- Ep. 16 · The Ressurected Planet
- Ep. 17 · The challenge of Ul Quorn
- Ep. 18 · The Dark Tribe from the Depth of the Earth
- Ep. 19 · Planet - Alone
- Ep. 20 · The Phantoms of the transparent Planet
- Ep. 21 · The mystery stone that sleeps in the galaxy