A cargo ship has gone missing at sea and the Ultra Guard are sent to investigate this newest disappearance.
| Title | Pursue the Sea Bottom Base |
|---|---|
| Genres | Action & Adventure Sci-Fi & Fantasy Family |
| Release Date | 1968-02-18 |
| Episode Runtime | 00 Hours 25 Minutes |
| Season Number | 1 |
| Episode Number | 21 |
| Production Companies | Tsuburaya Productions |
