Second grade prodigy Becky Benson befriends Gretchen to get help for her science fair project. But she has an ulterior motive.

When a new kid from Norway comes to 3rd Street School, Gus befriends the kid by making him think that Gus is the hottest kid in the school.

Vince completely loses his confidence at playing kickball when Ashley Q. beats him in a game.

Fed up with Vince's ego, the kids bet Vince that he can't go one whole day without beating someone in a sport.

Secretary of Schools Garrison chooses 3rd Street School as the place to test his program to bring test scores up by cancelling recess.

Gus takes a new identity when he discovers that people think he's a different cool kid when he doesn't wear them. Too bad "Guy" can't see a thing.

Digger Dave quits digging and then bosses everyone around.

Spinelli gets peeved with her parents heap so much praise for Gretchen at her expense.

Mikey's new friendship with Kurst the Worst doesn't sit well with their friends.

The kids come up with a plan to keep Gretchen from being transferred to Oppenheimer Elementary for the Incredibly Extremely Gifted.

The kids stage an elaborate funeral for the 4th grade class's beloved hamster, wherein they learn about how many lives the hamster has touched.

Mikey is the only fourth grader who still believes in Santa Claus. He tries to convince the others Santa exists.

T.J. shows up in school with a black eye. Everyone makes up wild stories about the heroic acts T.J. must have done to get the shiner.

T.J. and Vince are so into the "Barnaby Boys" books that they dress up like the Barnaby Boys and try to solve the mystery of the suspicious substitute janitor, Earl Raymond.

King Bob abandons his throne in his obsessive pursuit of pulling a prank on T.J. in this sequel to The Big Prank

People start paying Gretchen for doing their homework so she can buy herself a new bike

T.J. can't figure out why Gordy doesn't like him.

Gus starts an obsessive crusade to kill all the germs in the world, while Mikey will do anything to save them.

Randall uses an embarrassing photo to blackmail King Bob into making him Playground Prince.

Vince feels like an outsider after he misses the must-see movie of the weekend.

Gretchen is worried when she's partnered with T.J. on a class project.

Needing to prepare himself for a poet laureate ceremony, Mikey decides to listen to Menlo to learn how to organize himself.

After Mikey helps Cornchip Girl off the climbing frame after she gets stuck, the gang wonder how big he will be. Gretchen and Galileo conduct a test to find out how big everyone will be when they are older, and Mikey's test says he will be 50 feet tall! The others find this cool and wonder what 50 foot Mikey could do, but Mikey isn't so sure that being 50 feet tall will be that great.

The gang tries to find out who removed all the balls from the playground.

The others try to help out when Mikey wants to be a safety ranger.