Nobita and his friends under the waters of the Pacific Ocean. Gian and Suneo take Doraemon's underwater vehicle and travel through the Atlantic Ocean, trying to find a treasure ship.
Doraemon (voice)
Nobita (voice)
Shizuka (voice)
Gian (voice)
Suneo (voice)
Eru (voice)
Underwater Buggy (voice)
Poseidon (voice)
Mu Prime Minister (voice)
Nobita's Father (voice)
Nobita's Mother (voice)
Gian's Mother (voice)
Suneo's Mother (voice)
Shizuka's Mother (voice)
Announcer (voice)
Mu Patrol Officer A (voice)
Mu Patrol Officer B (voice)
Mu Patrol Officer C (voice)
Mu Patrol Officer D (voice)
Mu Patrol Officer E (voice)
