Marine Boy
S1 · E2 — Danger At 300 Fathoms
S1:E2 · Danger At 300 Fathoms
78 episodes in this season
The Green Monster
30 min
Danger At 300 Fathoms
Monsters Of The Deep
Dangerous Starfish
The Astounding Shellfish
The Mysterious Paradise
Deepest Of The Deep
The Ghost Ship
The Monstrous Seaweed
The Super Mystery Boat
The Greatest Power On Earth
Disaster On The High Sea
Secret Of The Time Capsule
Mystery Of The Missing Vessels
Menace Of The Missing Bomb
Danger In The Depths
The Gigantic Sea Farm
Terror Of The Fire Ball
Empire Of The Sea
Battle To Save The World
The Terrifying Icebergs
The Whales Of Destruction
The Power Of Power
5 Billion In Diamonds
Mission At Corkscrew Strait
Lighthouse Of Terror
The Invincible Force
Riddle Of The Vanishing Frogmen
Panic In The Pacific
24 Hours To Doom
Attack Of The Robot Spiders
The Great Bomb Robbery
Operation Deep Deep
The Stolen Island
Underwater Underworld
Rustlers Of The Deep
Raid Of The Robot Robbers
Attack Of The Robot Sharks
The Monster Search
The Well Hidden Plan
Flimflam On The High Seas
The Dragon Of The Sea
Piracy Under The Sea!
The Super Brain Capers
The Great Underwater Train Robbery
The Genius Dolphin
The Nuclear Pirates
The Phoney Patrolmen
Saga Of The Undersea Lion
The Mini Micro Wave
The Ultra Freezer Freeze
The Tubsub Tanker Sub
The Tremendous Tremendo
The Ghosts Of Spook Island
Ghost Of Destruction
The Whale Blows Rainbows
The Great Plankton Menace
Showdown At Sea
The Precious Robot
Fight For The Rocket
Red Menace
The Invincible Robots
Island Of Treasure
Thieves Of The Deep
The Wild Monster Plant
The Vanishing Vessel
Challenges Of The Pirates
Land Of The Strange Vikings
Attack Of The Icebergs
The Deadly Tank
Avenger Of The Sea
The Desperate Search
The Secret Of The Golden Seaweed
The Fantastic Flash
The Stormy Brainstorm
The Gill Men
The Great Sea Escape
The Desert Destroyer
