Mild-mannered Larry is relaxing outside his mansion and planning to snooze until a fly lands on his nose. He gets very annoyed about this, so he plans to get rid of it.

At the zoo, a little pickle boy drops his toy fish into the penguin exhibit. Hearing the sobbing, Larry turns into Larry-Boy and tries to save the toy.

After Bok Choy demonstrates his class how to capture villains, he ask a student for a special assignment once class is over. Eager to help, Larry-Boy decides to do it, only to find out that he has to clean out chalk erasers. Classmates Lemon Twist and Electro-Melon offered the plunger hero that he can come to the amusement park with them after he's done with the chores.