Plot: Marine Boy answers an SOS and finds no ship in the area of the signal. What he does find, however, is electronically controlled artificial seaweed
Marine Boy - Season 1 - The Monstrous Seaweed (Episode 9)
Episode Aired On:
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No estimated release date
Yoshiko Ohta
Gorō Naya
Kazuko Sugiyama
Tadashi Nakamura