Submarine 707R - S01
深海の艦隊 サブマリン707 , Undersea Fleet Submarine 707F
A mysterious object attacks and destroys any ship or submarine. Submarine 707 is sent to search for that mysterious object, and when a whale calls to them, they follow it. The whale leads them to the world of Mu. On the way, they run into the mysterious object. They discover that it is Commander Red Silver, who attacked the world of Mu to get Mu's magma sources. Submarine 707 takes up the battle to defeat Red Silver and save Mu, and the world for that matter.
Seasons (1)
Episodes (2)
1. Mission 12. Mission 2
