Kevin has begun college and decides to join a fraternity. Part of his initiation includes, donning women's clothing bringing the worst looking girl to a frat party. Coincidentally, Kevin meets a girl whom he thinks fits the bill, but wants to spare her feelings. However, he finds himself trapped and hurting her feelings seems to be the only way out.
One evening, Kevin brings home his date thinking he has the house to himself only to discover George and Marsha making out on the couch. Fed up with having no privacy, Kevin decides to move into an apartment of his own and advertises for a roommate. His ad is answered in the form of Mr. Belvedere.
Wesley has been named valedictorian of his graduating elementary class and days before the ceremony Wesley plays a prank and his classmates insist that he grow up. This leads Wesley to grow up a bit to fast for his classmates to keep up. Meanwhile, Heather and George prepare for a father-daughter race and Kevin thinks he saw a UFO.
Summer vacation has Heather taking summer classes, Kevin working overtime and Wesley going to a day camp. While at the camp, Wesley finds himself a victim when one of the counselors touches him inappropriately leaving Wesley feeling guilty and scared and unsure if he should keep it a "secret" like the couselor encourages him to.