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Dr. Oki , the genius scientist who designed a new type of submarine is missing. His son, Susumu, smells an evil scheme of unknown group. He knows everything of his father's submarine called "Super 99" – equipment, weapons, functions and capacity. Susumu thinks that to find his father is to reveal the secret organization, Helmet Party, and stop their conspiracy. With the help of his friends and Marine Corps, he sets out to an underwater quest, not knowing how dangerous his endeavour is…
Seasons
Episode 1
A Deep Sea Explorer Disappeared!
25m
No overview is available.
Episode 2
Scramble, the Super Submarine!
25m
No overview is available.
Episode 3
Battle at 39600 Feet Deep!
25m
No overview is available.
Episode 4
The Ambush Achieved Great Success!
25m
No overview is available.
Episode 5
Challenge of A Young Warrior
25m
No overview is available.
Episode 6
Hold-Up
25m
No overview is available.
Episode 7
A Booby Trap!
25m
No overview is available.
Episode 8
Coronation of Emperor Is Declared!
25m
No overview is available.
Episode 9
Decision of A Great General
25m
No overview is available.
Episode 10
Blast the Ocean Empire!
25m
No overview is available.
Episode 11
Farewell, the Great General!
25m
No overview is available.
Episode 12
Decisive Battle
25m
No overview is available.
Episode 13Latest episode
Embark to A New Ocean!
30m
No overview is available.
