Sheep writes a valentine song for Bear, with some help from Fly, and Frog helps Bug practice his name.

It's Valentine's Day, and Little Duck is throwing a party. However, Little Fox's appearance makes the farm animals nervous. Will they be receptive to this tiny newcomer?

The good times begin with a certain big-nosed beagle playing Cupid and does not stop until Charlie Brown opens his mailbox one last, eager time. Homemade Valentine's, class parties, the tug of romance and the allure of chocolate set the mood for these school children.