Watch S3, EP5: The Great Plankton Menace with Fubo for $0 Today
Dr. Bulthrod's plane, carrying precious specimens of a rare plankton, is shot down; the plankton escapes into the sea, where it grows and threatens to engulf the entire Earth.
Dr. Bulthrod's plane, carrying precious specimens of a rare plankton, is shot down; the plankton escapes into the sea, where it grows and threatens to engulf the entire Earth.
More episodes
Marine Boy
S3, EP6 "Showdown at Sea"When Professor Puddin builds his complex for extracting gold from seawater, the infamous Dr. Al Kemy devises an evil plan.
Marine Boy
S3, EP7 "The Precious Robot"When Professor Fumble invents a robot that makes diamonds out of coal, the evil Mr. Carbona sees his chance to control the world's economy.
Marine Boy
S3, EP8 "Fight for the Rocket"Professor Fumble's greatest invention, a weather observation rocket, is stolen by Lard Greedfat.
Marine Boy
S3, EP9 "Red Menace"An army of red dolphins threatens the ocean depths; their goal is the destruction of Ocean Patrol.
Marine Boy
S3, EP5 "The Great Plankton Menace"Dr. Bulthrod's plane, carrying precious specimens of a rare plankton, is shot down; the plankton escapes into the sea, where it grows and threatens to engulf the entire Earth.
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