When Louie's head swells up to gigantic red proportions, he knows there is something wrong, but does not want to face the awful possibility that he has allergies and must, therefore, get an allergy shot!

The winter carnival begins in Cedar Knoll and The Anderson family loses every competition they enter. Meanwhile, Louie develops a crush on Jeannie's sister and tries to learn how to skate to get close to her.

For his vacation science homework, Louie has to give a detailed report on honey bees. He ends up enlisting the help of his father on this project, but Andy ends up taking over the care and observation of the bees and develops a special kinship with the bees. Louie tries to figure out how he is going to give a presentation on the bees when he can't get anywhere near them with his father in the picture.

To avoid trying out for the school play, Louie claims membership in the Chess club. Obligated to attend a club meeting, Louie soon discovers he's a chess prodigy!