Beanie stops Admiral Bubbles' latest brainstorm of turning the weather into a weapon of mass destruction. The damage is limited to the abandoned building across the street, which collapses in a pile of rubble that accidentally wipes out Scoop's nearby news stand.

With Mom noticing a certain "tension" between Beanie and his goldfish, she encourages Beanie to act more friendly around him, and that they try working on a project together.

Beanie brings Admiral Bubbles on a school trip to Aqua World, hoping his goldfish will learn proper behavior from the other fish. Instead, Admiral Bubbles is outraged at this public display of enslavement.

Thanks to a little trickery on the part of Admiral Bubbles, Beanie wins the school science fair, and arrives home to find Space Agency representatives at his door, congratulating him on his winning science project and expressing interest in testing Admiral Bubbles in zero gravity: in space!

For show and tell at school, Beanie brings "the foulest, most monstrous creature alive!" to show his classmates: Admiral Bubbles! When the students laugh at him, he decides to take his revenge on them by taking control of the minds of all the students and teachers... and then the entire city!

Determined to get to the Post Office to pick up his internet-ordered thermonuclear device, Admiral Bubbles constructs a makeshift replica of a human, controlled from the inside by him. At school, Beanie is horrified when Desmona sends him an invitation to the school dance. Worse: she won't take no for an answer.

Mom, who's afraid of bugs, uncovers a cockroach and runs away to phone for pest control help. Beanie investigates and soon uncovers his goldfish's plan: to send fiery cockroaches to the North Pole, where they will quickly multiply and melt the Polar Ice Caps, thus, flooding the world.

Admiral Bubbles tricks Mom into believing she accidentally killed him. Horrified, she flushes him down the toilet, then quickly buys an identical fish to replace him with, hoping Beanie won't notice. Soon after, when Mr. Montezino comes to repair the plumbing, Beanie discovers the switch, and realizes that the goldfish cleverly faked his death.

A huge battle between Beanie and Admiral Bubbles in the kitchen results in the destruction of the oven. When Mom discovers this, she decides to use the money she was saving to buy a new bed to buy an oven instead. Upset by this news, Beanie decides to find a way to buy Mom a new oven so that she can still get her new bed.

In celebration of "Earth Day", Kevin Kelp, an ex- Greenspace activist, has converted the city's old incinerator into a recycling plant. But this is a great disappointment to Admiral Bubbles, who hates to see the old incinerator go to waste. Instead, he plans to use it to unleash a toxic cloud of pollution that will leave the city buried for months.

Inspired by the horrible mess that Beanie has cooked up for his mother's breakfast, Admiral Bubbles decides to cook up a garbage monster, bringing it to life to do his evil bidding and to terrorize the town. But, much to his dismay, the monster (who he names "Stinker") turns out to be as harmless as a puppy dog.

Beanie and Elwood have done their school science report on earthquakes, discovering that the town is built on a fault line. Admiral Bubbles, reading Beanie's report, realizes that with simple machine serving as a catalyst, he could easily destroy the entire town.

It's Beanie's birthday, and he is looking forward to his "way-cool" party, until he discovers that his Mom has decorated the apartment in "Cute Little Bunnies". With guests starting to arrive, and certain that he will die of embarrassment, he appeals to the goldfish for help.