While zeroing in on their third Dragon Ball, Goku and Bulma find themselves on a beautiful uncharted island. But the enchanting island is far from deserted. When Goku dives into the ocean waters to search for the magic ball, Bulma finds herself in deep trouble!

向着第三颗龙珠不断逼近的小悟空和布尔玛来到了一座美丽的无名小岛上。但这片迷人的地方并不是想象中的人迹罕至。当小悟空潜进海里寻找龙珠的时候，布尔玛可遇上了大麻烦。

Goku and Bulma have located another Dragon Ball. Now all they have to do is get it. It won't be easy, since this one is lying at the bottom of the sea! The pair travels to Master Roshi's island in hopes of finding some assistance, unaware that their progress is being closely monitored by the Red Ribbon Army.

小悟空和布尔玛又定位到了一颗龙珠，现在他们要做的就是去把它拿到手。但这事儿可不简单，因为这颗龙珠是沉在了深深的海底。他俩只好前去龟仙人的小岛，希望能在那儿得到点帮助。然而他们毫不知情，自己的行动已经处在黑绸军的严密监视之下。

Goku, Bulma, and Krillin comb the depths of the deep blue sea, where a third Dragon Ball waits to be claimed. Little do they know, General Blue is also waiting, and when his forces launch a surprise attack, the Dragon Ball Team's hopes for survival are sunk!

小悟空，布尔玛和小林向着蓝色的深海进发了，第三颗龙珠正在那儿等着被发掘。可是他们根本没有意识到，蓝将军也正等着他们。当蓝将军的舰队向他们发动突然进攻的时候，这支龙珠探险队的一线生机也被击沉了。

While searching for their third Dragon Ball in a mysterious underwater cave, Goku, Bulma, and Krillin discover an ancient secret that promises great wealth, and even greater danger! The Red Ribbon Army is also on the prowl, as General Blue attempts to stop our heroes and fulfill his evil schemes!

当他们在一个神秘的海底洞穴寻找第三颗龙珠的时候，小悟空，布尔玛和小林无意中发现了一个远古宝藏的大秘密。这在有可能给他们带来巨大财富的同时，也带来了更大的危险。黑绸军也悄悄地跟了进来，蓝将军一心想要阻止我们的小英雄，并实现自己的邪恶计划。