Ultraman Wiki
Ultraman Wiki

The Challenge Into Subterra (地底への挑戦 Chitei e no Chōsen) is the twenty-ninth episode of Ultraman. On the DVD release it is only called Challenge To The Underground.


After all of the gold in a mountain has disappeared it is revealed that a monster has been eating the precious metal.







Home Media

  • Ultraman Volume 8 features episodes 29-32.
  • Ultraman The Complete Series features all episodes.


  • This was the last episode to feature Ultraman's B-Type suit.
Ultraman Episodes
The Birth of Ultraman | Ultra Operation No.1 | Shoot the Invaders! | Science Patrol, Move Out | Five Seconds Before the Explosion | Secret of the Miloganda | The Coast Guard Command | The Blue Stone of Baradhi | The Lawless Monster Zone | Lightning Operation | The Mysterious Dinosaur Base | The Rascal from Outer Space | Cry of the Mummy | Oil S.O.S. | The Pearl Defense Directive | Terrifying Cosmic Rays | Science Patrol Into Space | Passport to Infinity | Brother from Another Planet | Demons Rise Again | Terror on Route 87 | Breach the Wall of Smoke | Overthrow the Surface | My Home Is Earth | The Undersea Science Center | Mystery Comet Tsuifon | The Prince of Monsters: Part 1 | The Prince of Monsters: Part 2 | Human Specimens 5 & 6 | The Challenge Into Subterra | Phantom of the Snow Mountains | Who Goes There? | The Endless Counterattack | The Forbidden Words | Present from the Sky | The Monster Graveyard | Don't Shoot, Arashi! | The Little Hero | The Spaceship Rescue Command | Farewell, Ultraman