Laura starts taking a lot of time off, but won't say why. Ben is curious and so is Katz, and they speculate.
When Wanda’s favorite singer, Molly Cule comes to town and she chooses Ms. Frizzle’s class to wash her famous car, the kids discover how to clean the car down to the very last bit.
Wakko is being chased by something terrifying behind the camera (Dot, who is playing tag with him).
A parody of the "Macarena" music video with a song sung by and about Dot, a.k.a. "Macadamia".
Skippy is forced to deal with the school bully, Duke, while Slappy faces an advocate against cartoon violence.
Everyone except for Ryan has found a job for the upcoming school year. Ryan finally gets a job at the computer store with Nicky until Nicky fires him. With Rachel in Boston, Maria feels left out when Katie starts hanging out with new student Liz Miller. The Max is revamped and now re-opened for business. Katie is desperate to find a job, even if it means lying on a resume which leads her into trouble.
Ryan has to deal with Rachel staying in Boston and later breaking up with him. Liz is bothered by Maria and Katie constantly comparing her to Rachel.
Pinky and Brain have a new companion, Larry, but their newest plan just doesn't seem to pan out.
In their latest plan, Pinky and Brain try to take over the steel mills in Pittsburgh, Pennsylvania by pretending to be a part of an endangered species called the Mousealopes.
It's 1946 and Brain's new plan gets interrupted when he and Pinky encounter Billie and Snowball.
When the army learns of Sam Guthrie's cannonball power, they try to enlist him in their ranks.
The Flash teams up with Superman to counter Mark Mardon, a.k.a. "The Weather Wizard," who holds Metropolis hostage with the threat of unleashing a killer hurricane.
Radio shock-jock Leslie Willis is turned into a being of pure electricity, and begins her media-crazed rampage to drain Metropolis' power and kill Superman in the bargain.
Feeling like Ickis and Oblina are not paying him enough attention, Krumm moves out of their dorm room and into the room of two other monsters - Snav and Blib. These two monsters spoil Krumm with attention, which he needs - at first. But soon Krumm realises that being the centre of attention is not all it's cracked up to be.
Simon the Monster Hunter builds the ultimate monster hunting machine; The Simon-Mobile, in an attempt to capture a real monster. When the monsters get wind of this, they build a machine entirely out of garbage and go head to head battle with Simon. With The Gromble at the helm, the monsters emerge victorious.
The main kids try to get all the other kids to help rescue T.J. when Miss Finster punishes him by making him miss recess.