Submarine Super 99 is a tV series anime that premiered in spring 2003, produced by Vega Entertainment.

About the production: the story comes from a manga, there are 13 episodes of about 21 minutes and its current status is "finished".

Its main genres are action, adventure and sci-fi, with themes such as Ships, War and Politics.

On AniList, Submarine Super 99 has an average score of 66%, a good score, and appears on 1,068 users' lists.

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… (Source: Anime News Network)

Official synopsis from AniList.