Marine Boy was one of the first color anime cartoons to be shown in a dubbed form in the U.S., and later in Australia and the United Kingdom. It was originally produced in Japan as Undersea Boy Marine by Minoru Adachi and animation company Japan Tele-Cartoons. It was sold outside of Japan via K. Fujita Associates Inc., with Warner Bros / Seven Arts Television handling worldwide distribution of the English-language version.
The Green Monster
Oct 6, 1966
Marine Boy, suspecting sabotage, investigates when an "unsinkable" nuclear ship is lost during a tornado.
Danger At 300 Fathoms
A great underwater oil field is discovered by Dr. Mariner, but while drilling, the team at Satellite Station 23 collapses and Marine Boy is sent to investigate.
Monsters Of The Deep
Marine Boy, Bulllton and Piper are ordered to the fishing boat Whoppercatch to investigate an SOS regarding a sea monster.
Dangerous Starfish
After arriving at the crash site of an unidentified aircraft, P-1 witnesses an explosion and find themselves surrounded by huge, electronically controlled, poisonous starfish.
The Astounding Shellfish
Bullton and Piper find a missing fishing boat with no one aboard. Marine Boy and Splasher set out to solve the mystery of the crew's whereabouts.
The Mysterious Paradise
During an expedition organized by Ocean Patrol, Dr. Mariner and his crew find a spear which is modelled after one known to be thousands of years old.
Deepest Of The Deep
In order to provide more food to the people of the world, Dr. Mariner experiments with raising larger fish, but it is missing one ingredient which can only be found in the deepest part of the ocean.
The Ghost Ship
Marine Boy, Bullton, and Piper are sent to the Arctic Ocean to search for 11 missing men and to explore the myth of a ghost ship.
The Monstrous Seaweed
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.
The Super Mystery Boat
Marine Boy enters a kind of submarine Grand Prix using a special boat invented by Dr. Mariner and Professor Fumble, but the sub is blown up before the race finishes.
The Greatest Power On Earth
A strange statue which contains vast treasure is discovered by tycoon Mr. Goldpocket while flying over it in his plane.
Disaster On The High Sea
Mr. Smirch steals nuclear rock drills in order to obtain uranium enough to take over the oceans of the world.
Secret Of The Time Capsule
A mysterious time capsule is found by Marine Boy and Splasher who take it to Dr. Mariner.
Mystery Of The Missing Vessels
Flim Flamboyant disguises his sub as the P-1 and leads ships to a cave where he steals their precious cargo.
Menace Of The Missing Bomb
A proton bomb with its safety catch unhooked is stolen by a secret agent.
Danger In The Depths
Splasher is caught in the sound waves emitted by Scorpo, who plans to sell the dolphins of the world to Smirkoland for use as robots.
The Gigantic Sea Farm
Marine Boy and Splasher stumble on an underwater farm where plants grow quickly due to the rich soil.
Terror Of The Fire Ball
Dr. Shinedor has invented an electronic laser beam which he can use to shock and punish man for hunting and fishing for pleasure.
Empire Of The Sea
Despo Montebank, who claims to be the Emperor of the Pacific Empire, holds Marine Boy and his crew captive in an electromagnetic field and tries to make them obey him.
Battle To Save The World
Marine Boy leaves the P-1 to search for the wreckage of a ship sunk by Captain Rex Rancid's electronic missiles.
The Terrifying Icebergs
Marine Boy and P-1 are sent to investigate the disappearance of ships at the North Pole, apparently due to icebergs.
The Whales Of Destruction
While testing the electronic fence at the Ocean Patrol underwater research ranch, Professor Fumble and Mr. Washer are captured and held on an invisible ship.
The Power Of Power
Accidents continue to occur in an underwater power station which is under construction, and Marine Boy discovers tremendous currents which he feels are man-made.
5 Billion In Diamonds
Little Clicli sees a submarine attack a diamond-bearing ship and picks up the key after the captain of the ship throws it overboard to keep it from thieves.
Mission At Corkscrew Strait
In leading an important cargo ship through the narrow strait, P-1 must use torpedoes to clear the way.
Lighthouse Of Terror
A lighthouse beam changes course mysteriously and ships in the area are running around as a result.
The Invincible Force
P-1, along with Bullton and Piper, is reported missing and Marine Boy and Splasher go search for them, finding them in a cave being held prisoners of Hambone and Skwid.
Riddle Of The Vanishing Frogmen
The villains X-3 and Professor Stormbrane are planning to set off a super bomb inside a volcano and send out Shell boats to attack the SS Rubadubdub.
Panic In The Pacific
Marine Boy and the P-1 encounter synthetic jelly monsters which attack a secret airship whose torpedoes only make them multiply and grow larger.
24 Hours To Doom
Marine Boy and Dr. Mariner set up a trap to catch pirates who sink ships and steal the cargo. After Dr. Mariner is caught, the villains give Ocean Patrol 24 hours to surrender their base in return for Dr. Mariner's freedom.
Attack Of The Robot Spiders
Marine Boy and his racer, Carrier Fish, are trapped by robot sea spiders who spin webs and encircle them.
The Great Bomb Robbery
Thieves capture Hugh Highstep, the ballet instructor, and the dolphin ballerina, Twinklefin, after the dolphin accidentally takes a miniature bomb that Squidink wants for himself.
Operation Deep Deep
Four wacky scientists kidnap Professor Fumble in an attempt to learn the formulae for Ocean Patrol's many weapons, especially Marine Boy's special suit.
The Stolen Island
The villains X-3 and Professor Stormbrane are planning to set off a super bomb inside a volcano and send out Shell boats to attack the SS Rubadubdub.
Underwater Underworld
A gangster group is holding a secret convention in an underwater strait and is being trained by Professor Beelzebub to steal an electronic brain which is being delivered to Ocean Patrol headquarters.
Rustlers Of The Deep
Rustlers steal the whales from Texboy's deep sea ranch.
Raid Of The Robot Robbers
Robots controlled by Mr Fuddidudder are stealing from stores and ships, and Ocean Patrol thinks the Gold Grabber Gang is really at the bottom of the trouble.
Attack Of The Robot Sharks
During an Ocean Patrol Rodeo, Bullton finds himself riding the back of a monster shark breathing fire - it's one of Count Shark's monsters for use in an attempt to take over Ocean Patrol headquarters.
The Monster Search
Marine Boy and the P-1 are sent by Dr. Mariner to capture a prehistoric sea monster. Along the way they encounter a fortune teller and a gangster.
The Well Hidden Plan
Marine Boy and the P-1 set out to search for a microfilm which has been hidden in a potato.
Flimflam On The High Seas
Professor Dazzle loses his dazzling pendant during his performance at the circus. When Bullton finds the pendant, Flip Flimflam's men kidnap him thinking he is Professor Dazzle.
The Dragon Of The Sea
A sea dragon is wounded by a movie crew which is trying to film it. Ocean Patrol is ordered to destroy it.
Piracy Under The Sea!
Marine Boy's wrist radio is removed by a playful baby dolphin and he cannot hear Bullton and Piper call for help.
The Super Brain Capers
Dr. Mum is captured on a submarine and forced by Mr. Robbinsteel to build an electronic brain. Marine Boy rescues Dr. Mum, the submarine is blown up, but the brain is still intact.
The Great Underwater Train Robbery
Jesse Jamison and his men take over a train which is carrying a shipment of rubies on the Underwater Railroad.
The Genius Dolphin
Professor Fumble invents a mini-electronic translator for Splasher to use in order to speak with humans.
The Nuclear Pirates
Two ships collide in a fog and the nuclear-powered ship is robbed of its nuclear fuel.
The Phoney Patrolmen
Men disguised as Ocean Patrol members enter an underground fort in an attempt to steal gold, and all persons in the fort are held captive by them.
Saga Of The Undersea Lion
Captain Kiddo and his pirate ship discover a castle filled with treasure and guarded by a sea lion on the ocean floor.
The Mini Micro Wave
Clicli discovers a ship which sends out a roll of microfilm and shows it to Marine Boy. The film shows Miniprof's microwave machine that can shrink anything.
The Ultra Freezer Freeze
Jim Sumorbond tries to steal Professor Fumble's special ultra-freezer. The getaway truck crashes into the ocean, and the freezer in the back causes huge ice masses to form.
The Tubsub Tanker Sub
A storm causes an oil tanker to spill oil in the sea, jeopardising the fish. Octane builds a spill-proof Tubsub Tanker Sub.
The Tremendous Tremendo
When the evil Despotic invents a super electronic brain called Tremendo, he plans a world conquest.
The Ghosts Of Spook Island
A supposedly haunted island is under the domination of the mysterious Captain Wraith.
Ghost Of Destruction
Marine Boy faces the greatest challenge of his career in the Ocean Patrol when a ship, the ghost of a heavy cruiser, haunts the seas. Wherever it appears, there is a disaster that follows.
The Whale Blows Rainbows
Guppy, an enormous pet whale, is kidnapped by Cuthbert Tuthsum, a butler with ambitions toward evil.
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.
Showdown At Sea
When Professor Puddin builds his complex for extracting gold from sea water, the infamous Dr. Al Kemy devises an evil plan.
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.
Fight For The Rocket
Professor Fumble's greatest invention, a weather observation rocket, is stolen by the notorious Lard Greedfat.
Red Menace
Suddenly, an army of red dolphins threatens the ocean depths. Their goal is the destruction of the Ocean Patrol.
The Invincible Robots
Professor Fumble invents a fabulous new robot, but evil forces build an army of the robots.
Island Of Treasure
When a mysterious treasure map falls into the hands of the Ocean Patrol, the crew of P-1 and Marine Boy sail for the Island of Treasure.
Thieves Of The Deep
Flim Flamboyant schemes to becomes a billionaire by robbing the underwater oil pipeline.
The Wild Monster Plant
The ultrasonic voices of Splasher and his friends awaken a dangerous monster plant which has been sleeping for millions of years.
The Vanishing Vessel
A cruise ship carrying Professor Fumble and the world's greatest scientists disappears without a trace.
Challenges Of The Pirates
The powerful pirate, Captain Kiddo, is challenged by the Queen of Pirates to see if he can defeat Marine Boy.
Land Of The Strange Vikings
An Ocean Patrol boat is found with the crew missing. The search takes Marine Boy to a strange and forbidding land, the land of ancient Vikings, where today they are living under the domination of a cruel queen.
Attack Of The Icebergs
When huge mysterious icebergs appear in the Tropical Sea, the Ocean Patrol is alerted.
The Deadly Tank
Jocko Nape builds a tank equipped with a hyper Uranium bomb which he plans to set off in the middle of the ocean, thereby creating tidal waves big enough to destroy whole cities.
Avenger Of The Sea
Captain Aquarius has captured some unusual sea creatures for his underwater zoo. In the deepest part of the ocean lives Zeoclode, avenger of the sea, who tries to rescue his friends.
The Desperate Search
Professor Ike Conoclast has perfected a secret formula for a new secret weapon, but when it is about to be stolen from him he hides each half of the formula in a different place.
The Secret Of The Golden Seaweed
When a castaway whom Marine Boy rescues tells him of a fabulous growth of seaweed, they set off together to find the fantastic plant.
The Fantastic Flash
Marine Boy is blinded temporarily by a flash of light which a gang of criminals is using to escape detection of their crimes.
The Stormy Brainstorm
The Brainstorm, a super electronic computer, suddenly becomes so powerful that it can control not only machines but men's minds.
The Gill Men
Piper is captured by the fiendish Dr. Diablo. Diablo plans to save mankind from a future flood by installing gills in their bodies so they can live underwater.
The Great Sea Escape
Two master criminals escape from an underwater prison farm and use the P-1 as their getaway boat with Bullton and Piper as hostages.
The Desert Destroyer
Suddenly, the desert is flooded with sea water. Ocean Patrol believes that someone is illegally mining uranium beneath the desert.
