The story begins with a quintessentially relatable predicament: Nobita and his friends cannot agree on where to go for their summer vacation. Nobita, Shizuka, and Doraemon argue for a coastal camping trip, while Gian and Suneo insist on the mountains. Just as the argument reaches its peak, news breaks about mysterious disappearances in the Bermuda Triangle—a development that suddenly makes the ocean far more intriguing to all of them. They finally decide to compromise: why not go camping in the mountains under the sea?
The story begins with a quintessentially relatable predicament: Nobita and his friends cannot agree on where to go for their summer vacation. Nobita, Shizuka, and Doraemon argue for a coastal camping trip, while Gian and Suneo insist on the mountains. Just as the argument reaches its peak, news breaks about mysterious disappearances in the Bermuda Triangle—a development that suddenly makes the ocean far more intriguing to all of them. They finally decide to compromise: why not go camping in the mountains under the sea?