Mr. Mallet had always been fascinated by the underwater world, but he never imagined he would become a part of it. As he explored the Aquarian village, he noticed that something was off. The once vibrant colors of the coral reefs were fading, and the aquatic life was disappearing. The Aquarians were in a state of panic, and Mr. Mallet knew he had to act fast.

He teamed up with the skeptical scientists and discovered that a group of humans had been dumping toxic waste into the ocean, causing the destruction of the Aquarian world. Mr. Mallet was furious and vowed to put an end to it.