Every year the older kids pick kindergartners to race in the Kindergarten Derby. This year an eager Tubby gets an unwilling Mikey to sponsor him in the race. / A career day assembly gets all the kids to decide their future careers. That is all except Spinelli.
Someone else besides Gretchen is a math genius, and through math, Gretchen starts a close relationship with this person. / The main kids make a friend of new kid James Stone and show him all their little schemes, but soon regret that.
Señor Fusion: The Movie finally opens and T.J. vows to be there at its first screening. / The kids find a paper fortune teller on the ground that predicts doom for Gus.
Secretary of Schools Garrison chooses 3rd Street School as the place to test his program to bring test scores up by cancelling recess. / The kids warn Gus not to break the code by telling Miss Finster who started a food fight.
King Bob abandons his throne in his obsessive pursuit of pulling a prank on T.J. in this sequel to The Big Prank. / 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.
Prickly finally gets his appointment to Spiro T. Agnew Middle School. But the kids try to make him stay after they meet the new Principal Slicer. / Randall gets the main kids to pretend that they're his friends when his father, Leonard, visits the school on Randall's birthday.
The main kids discover that Gus was once a notorious dodgeball player who went by the name of El Diablo. / T.J. takes charge when Gretchen seems to achieve a dream that T.J.'s always had, to be an astronaut on the space shuttle.
The gang gets busted when they accidentally break a statue of a famous hero. / The original 1935 edition of The Rules of the Playground is discovered in the library.
The gang tries to cover up Mikey's ripped pants so Finster won't catch him. / Jared, the new student, appears to be perfect, making the rest of the school very jealous.
Spinelli gets too attached to the lucky marble that Vince loans her. / Digger Dave quits digging and then bosses everyone around.
The school gets a new technology system installed called the SAL 3000 which controls everything. / Thinking his family is moving away again, Gus moves under the jungle gym to avoid leaving his friends and school.
Gretchen and Vince both run for president. / People start paying Gretchen for doing their homework so she can buy herself a new bike.
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. / T.J. receives an old history textbook with a treasure map that leads the gang, Randall, and the Ashleys out to get the treasure. But as they get closer, greed arises and the 4th graders fight for the treasure.
In his hatred of Valentine's Day, T.J. sends a "funny" valentine to every single girl on the playground to show them how stupid Valentine's Day is, but his plan soon backfires when the girls mistake them for "real" valentine cards. / Everyone is segregated once the Ashley's start giving ratings to everyone on the playground.
Spinelli takes the place of the Guru Kid. / The gang believe that Miss Grotke is a spy. But is she spying for or against America?
T.J. and the gang make a fort, only to have Lawson ruin their plans. / Gus starts an obsessive crusade to kill all the germs in the world, while Mikey will do anything to save them.
After a visit to a beauty museum with Gretchen, Spinelli's parents seem to be a little "unsatisfied" with their daughter. / Randall blackmails King Bob into giving him the throne.
The Recess Gang take a visit to the Old Folks' Home, only to be surprised. / T.J. has a mysterious friend who appears to be Menlo.
Vince becomes one of the greatest chefs in the history of the playground and making 'Chez Vince' and possibly even the world. / Menlo teaches Mikey to be more "organized", and Mikey starts changing
Mikey and Gus want to join the Woodchuck Scouts. / Gus and Theresa (Cornchip Girl) have a hard time becoming friends due to their rivaling fathers.
T.J. finds a $100 bill and along with the gang try to find out who lost it. / Mikey begins to fear for his future when Gretchen's hand-held PC Galileo makes a gross miscalculation about his future height.
During a burning hot day, the gang attempts to make it across the playground to the otherside where there is a water pump. / Bad-guy Mundy becomes very popular after he prevents a ball from hitting a little kid.
The gang tries to find out who removed all the balls from the playground. / The gang is suspicious when the Ashleys give Spinelli six wrestling tickets.
The kids think Vince is getting special treatment when he becomes Prickly's golf partner. / Mikey's new friendship with Kurst the Worst doesn't sit well with their friends.
When one of T.J.s plans goes wrong and Gus breaks his leg he won't make another plan. It's up to the others to get T.J. back to his old self. / Randal recruits the Tylers, the Ashleys' little brothers, to help him snitch.
In this Halloween episode, Butch tells us three terrifying tales of Recess. Children of the Cornchip: Cornchip Girl eats some untested cornchips and turns into a werekid! The gang have to save her. When Bikes Attack!: The bikes that the kids ride to school everyday become alive and turn against their riders. Night of the Living Finsters: Lawson challenges Vince to spend the night in the graveyard, only for the gang to discover that the school is built on the Finster family graveyard.
The Recess Gang visits Kauaʻi so Gretchen can use a telescope to examine what she believes is a new planet. Meanwhile, an experiment designed to make people stop working zaps Stitch with its lazy beam. Lilo is forced to depend on her new friends to catch the experiment while Stitch takes a vacation.