An unidentified object has landed somewhere near the Kiso Mountains. Dan and Furuhashi are sent to find any wreckage, or signs of life. They find a young girl swimming in Lake Azuma as well as a spaceship nearby.
| Title | The Secret of the Lake |
|---|---|
| Genres | Action & Adventure Sci-Fi & Fantasy Family |
| Release Date | 1967-10-15 |
| Episode Runtime | 00 Hours 25 Minutes |
| Season Number | 1 |
| Episode Number | 3 |
| Production Companies | Tsuburaya Productions |
