6.9 Doraemon The Movie: Nobita’s Great Battle of the Mermaid King 2010 Doraemon The Movie: Nobita’s Great Battle of the Mermaid King IMDb: 6.9 2010 100 min 46 views When Nobita feels like diving in his hometown, Doraemon uses a Underwater Pump Simulator to pump all the water out of Tokyo, causing the entire ... AdventureAnimationComedyFamilyFantasySci-Fi