Ultraman
Season 1, episode 29: A Challenge to the Underground. Playback is hosted by an external player.
Episodes
- Season 1, episode 1Ultra Operation No. 1
- Season 1, episode 2Defeat the Invaders!
- Season 1, episode 3Sally Forth, Science Patrol!
- Season 1, episode 45 Seconds Before The Big Explosion!
- Season 1, episode 5Treasure of the Miloganda
- Season 1, episode 6The Coast Guard Command
- Season 1, episode 7The Blue Stone of Baradhi
- Season 1, episode 8The Lawless Monster Zone
- Season 1, episode 9Operation: Lightning Speed
- Season 1, episode 10The Mysterious Dinosaur Base
- Season 1, episode 11The Ruffian from Outer Space
- Season 1, episode 12The Cries of the Mummy
- Season 1, episode 13Oil S.O.S.
- Season 1, episode 14The Pearl Oyster Protection Directive
- Season 1, episode 15The Terrifying Cosmic Rays
- Season 1, episode 16The Science Patrol to Outer Space
- Season 1, episode 17Passport to Infinity
- Season 1, episode 18The Brother from Another Planet
- Season 1, episode 19The Demons Once More
- Season 1, episode 20Terror on Route 87
- Season 1, episode 21Break Through the Smoke!
- Season 1, episode 22The Underground Destruction Work
- Season 1, episode 23My Home is Earth
- Season 1, episode 24The Undersea Science Base
- Season 1, episode 25Mystery Comet Tsuifon
- Season 1, episode 26Monster Majesty (1)
- Season 1, episode 27Monster Majesty (2)
- Season 1, episode 28Human Specimens 5 & 6
- Season 1, episode 29A Challenge to the Underground
- Season 1, episode 30The Snowy Mountain of Illusions
- Season 1, episode 31Who Has Come?
- Season 1, episode 32The Endless Counterattack
- Season 1, episode 33The Forbidden Words
- Season 1, episode 34Gift From the Sky
- Season 1, episode 35The Monster Graveyard
- Season 1, episode 36Don't Shoot, Arashi!
- Season 1, episode 37The Little Hero
- Season 1, episode 38The Spaceship Rescue Command
- Season 1, episode 39Farewell, Ultraman!