Overview
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.
Cast
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Keywords
underwateranime
Seasons
Season 178 episodes1966
1
The Green Monster
1966-10-06
30m0.0es840171
2Danger At 300 Fathoms
30m0.0es840172
3Monsters Of The Deep
30m0.0es840173
4Dangerous Starfish
30m0.0es840174
5The Astounding Shellfish
30m0.0es840175
6The Mysterious Paradise
30m0.0es840176
7Deepest Of The Deep
30m0.0es840177
8The Ghost Ship
30m0.0es840178
9The Monstrous Seaweed
30m0.0es840179
10The Super Mystery Boat
30m0.0es840180
11The Greatest Power On Earth
30m0.0es840181
12Disaster On The High Sea
30m0.0es840182
13Secret Of The Time Capsule
30m0.0es840183
14Mystery Of The Missing Vessels
30m0.0es840184
15Menace Of The Missing Bomb
30m0.0es840185
16Danger In The Depths
30m0.0es840186
17The Gigantic Sea Farm
30m0.0es840187
18Terror Of The Fire Ball
30m0.0es840188
19Empire Of The Sea
30m0.0es840189
20Battle To Save The World
30m0.0es840190
21The Terrifying Icebergs
30m0.0es840191
22The Whales Of Destruction
30m0.0es840192
23The Power Of Power
30m0.0es840193
245 Billion In Diamonds
30m0.0es840194
25Mission At Corkscrew Strait
30m0.0es840195
26Lighthouse Of Terror
30m0.0es840196
27The Invincible Force
30m0.0es840197
28Riddle Of The Vanishing Frogmen
30m0.0es840198
29Panic In The Pacific
30m0.0es840199
3024 Hours To Doom
30m0.0es840200
31Attack Of The Robot Spiders
30m0.0es840201
32The Great Bomb Robbery
30m0.0es840202
33Operation Deep Deep
30m0.0es840203
34The Stolen Island
30m0.0es840204
35Underwater Underworld
30m0.0es840205
36Rustlers Of The Deep
30m0.0es840206
37Raid Of The Robot Robbers
30m0.0es840207
38Attack Of The Robot Sharks
30m0.0es840208
39The Monster Search
30m0.0es840209
40The Well Hidden Plan
30m0.0es840210
41Flimflam On The High Seas
30m0.0es840211
42The Dragon Of The Sea
30m0.0es840212
43Piracy Under The Sea!
30m0.0es840213
44The Super Brain Capers
30m0.0es840214
45The Great Underwater Train Robbery
30m0.0es840215
46The Genius Dolphin
30m0.0es840216
47The Nuclear Pirates
30m0.0es840217
48The Phoney Patrolmen
30m0.0es840218
49Saga Of The Undersea Lion
30m0.0es840219
50The Mini Micro Wave
30m0.0es840220
51The Ultra Freezer Freeze
30m0.0es840221
52The Tubsub Tanker Sub
30m0.0es840222
53The Tremendous Tremendo
30m0.0es840223
54The Ghosts Of Spook Island
30m0.0es840224
55Ghost Of Destruction
30m0.0es840225
56The Whale Blows Rainbows
30m0.0es840226
57The Great Plankton Menace
30m0.0es840227
58Showdown At Sea
30m0.0es840228
59The Precious Robot
30m0.0es840229
60Fight For The Rocket
30m0.0es840230
61Red Menace
30m0.0es840231
62The Invincible Robots
30m0.0es840232
63Island Of Treasure
30m0.0es840233
64Thieves Of The Deep
30m0.0es840234
65The Wild Monster Plant
30m0.0es840235
66The Vanishing Vessel
30m0.0es840236
67Challenges Of The Pirates
30m0.0es840237
68Land Of The Strange Vikings
30m0.0es840238
69Attack Of The Icebergs
30m0.0es840239
70The Deadly Tank
30m0.0es840240
71Avenger Of The Sea
30m0.0es840241
72The Desperate Search
30m0.0es840242
73The Secret Of The Golden Seaweed
30m0.0es840243
74The Fantastic Flash
30m0.0es840244
75The Stormy Brainstorm
30m0.0es840245
76The Gill Men
30m0.0es840246
77The Great Sea Escape
30m0.0es840247
78The Desert Destroyer
30m0.0es840248
Added: 5/18/2026Updated: 6/3/2026