Kagaku ninja tai Gatchaman Mikazhuki sango shô no himitsu (1972–1974) Online
- Original Title :
- Mikazhuki sango shô no himitsu
- Genre :
- TV Episode / Action / Animation / Sci-Fi
- Year :
- 1972–1974
- Directror :
- Noboru Ishiguro,Fumio Kurokawa
- Cast :
- Katsuji Mori,Isao Sasaki,Kazuko Sugiyama
- Writer :
- Tatsuo Yoshida
- Type :
- TV Episode
- Time :
- 25min
- Rating :
- 6.8/10
| Episode credited cast: | |||
 | Katsuji Mori | - | Ôwashi no Ken (Ken Washio) |
 | Isao Sasaki | - | Kondoru no Jô (Jô Asakura) |
 | Kazuko Sugiyama | - | Shiratori no Jun |
| Yoku Shioya | - | Tsubakuro no Jinpei |
| Shingo Kanemoto | - | Mimizuku no Ryû (Ryû Nakanishi) |
| Tôru Ôhira | - | Kôzaburô Nambu |
| Mikio Terashima | - | Berugu Kattse |
| Nobuo Tanaka | - | Sôsai Ekksu |
| Hideo Kinoshita | - | Narêtâ |
| Teiji Ômiya | - | Andâson |
| Rest of cast listed alphabetically: | |||
 | Leraldo Anzaldua | - | Ken Washio (voice) |
| Eden J. Barrera | - | Additional Voice (voice) |
 | Charles C. Campbell | - | Additional Voice (voice) (as Charles Campbell) |
| John Carrithers | - | Additional Voice (voice) |
 | Victor Carsrud | - | Ryu Nakanishi (voice) |
The English language title is "The Secret of the Crescent Coral Reef"