It's Your First Kiss, Charlie Brown(1977)

For his school Homecoming, Charlie Brown is told that he will be escorting the Homecoming Queen to the dance, and is supposed to give her a traditional kiss. When he learns that the Homecoming Queen is the red-headed girl that he has pined for all his life, he really hopes to put in a good showing at the football game where he is the kicker. Unfortunately, Lucy will be holding the ball for him...