Cory is caught listening to the Phillies game in class while Feeny is trying to teach the class about love. Eric decides to take his girlfriend on their first date to the Phillies game instead of Cory, so Cory decides to live in his tree house.
When Cory's parents don't give him the money to buy a water gun for the classes water fight. He strikes a deal with Mr. Feeny to paint his shutters and Feeny will give him the money for the gun. Corey rushes through the job and an accident occurs.
Shawn and Cory get split up from doing a project together, making Shawn work with Minkus and Cory with Topanga. Cory overhears girls making fun of his hair and decides to change it.
Cory enters a geography bee for a chance to be a bat boy at the World Series. Eric is going to an Aerosmith concert with a date and is embarrassed his mom is going to the same concert.
Cory cheats on an IQ test and decides to run with it. A Mensa representative comes to test him at home, so he finally comes clean to his parents and Feeny.
Feeny's niece comes for a visit and Eric gets Morgan to help in asking her out. Cory and the kids grandma comes for the weekend and she makes a promise to Cory but he is disappointed when she leaves early, and he misses out on the fishing trip with Shawn and his dad.
Shawn's dad gets laid off right around Christmas, so Cory vows to get Shawn a present for Christmas this year. Santa Claus has a heart attack when Morgan sits on his lap, traumatizing her.
Cory and Eric don't want to play in the annual father/son baseball game and they both make excuses not to play in the game. Alan lies to them and says the game is canceled when it never was. Cory and Eric feel bad so they set up make-up game.
Cory and Eric find out Amy has been lying about going to bowling and think she is having an affair. Mr. Feeny gives a math riddle to the class and Minkus gets it wrong while Topanga gets it right. Cory spends time trying to figure out the answer.
Mr. Feeny gives the class a project, to play an ideal family. He sets Minkus and Shawn up as brothers, with Cory and Topanga being the parents. Mr. Feeny wants them to become a model family. Eric quits his job working with his dad when he gets a job modeling at the mall. Amy and Alan decide to let him learn his own lesson.
Mr. Feeny has the class make a mock business, while Cory/Shawn face off with Minkus/Topanga to bet on who can make the most money, with real money. Cory and Shawn bet on horses and win a lot of money. Amy let's Cory babysit Morgan for Valentine's Day so she can go out with Alan.
Shawn throws a cherry bomb into a mailbox and doesn't want to go home because he thinks the cops are after him. He asks to stay over Cory's house without Cory telling his parents.
Amy and Alan go out and hire a babysitter, who cancels on them, so Feeny subs in. Eric takes his driving test and fails but still decides to take his dad's car for his date. Cory tries to sneak an R-rated movie into the house.
Alan gives Cory a gift for his birthday, a necklace with silver boxing gloves on them. Without explaining the meaning of them to Cory, he is careless with them and loses them. Cory feels terrible after hearing what they meant to Alan.
After watching a movie about puberty and hormones in Feeny's class, Shawn gets his first date. Cory gets jealous and thinks he has to best Shawn so he asks Topanga on a date. When Cory's parents find out the date is made through jealousy they tell him it is wrong and he should cancel it.