Jr. takes an IQ test, whose results are a surprise. Meanwhile, Michael isn't smart enough to assemble Kady's new jungle gym, and Kady announces what she wants to be when she grows up: a hall monitor. So she practices at school (and learns she likes bossing people around).

Jay's feeling "frumpy" after she and Michael run into a gorgeous and superachieving high-school classmate named Susan. So it's time for a makeover. Meanwhile, Jr. has made the basketball team. That's the good news. But there's an initiation to undergo: he must sneak into the girls' locker room and retrieve a certain item of clothing.