Introduction to Submarine Mobilization: The reunited friends seemed very happy, but Xiaohai was a little depressed. It turned out that Xiaohai’s home was deep in the Fantasy Aquarium, which was still far away. The unknown situation ahead made him have trouble. Some worries. Huanhuan and Lele did not flinch at all, and decided to send Xiaohai home safely. At this time, Verne, who had been watching with a smile, decided to help the little guys. He conjured up a rotating submarine, which made the little guys very happy.