Ep. 22: The Mystery of the Underground Kingdom
Ipinalabas noong Agosto 26, 1976
22
Mga Episode
- Ep. 18 · Spaceship Noah's Ark
- Ep. 19 · Brother, Sing for the Future!
- Ep. 20 · The Hellish Warrior's Revenge
- Ep. 21 · The Tears of Devil Jaguar
- Ep. 22 · The Mystery of the Underground Kingdom
- Ep. 23 · The Hellish World of the Moon
- Ep. 24 · The Guardian God of Easter Island
- Ep. 25 · Death Match at World's End
- Ep. 26 · The Pegasus That Runs Through Space