Charlie Brown, Linus, Peppermint Patty and Marcie travel to France as foreign exchange students. Also along is Snoopy and Woodstock. While everyone is excited about the opportunity to travel to a foreign country, Charlie is disturbed by a letter he receives from a mysterious girl from France who invites him as a her guest only to find that he does not seem welcomed to her Chateau.

As the holiday season rolls around and all the Peanuts gang are getting ready for it. Whether it be Charlie Brown struggling to raise money for his girlfriend or Sally and Peppermint Patty struggling to rehearse and memorize their one word lines for the Christmas pageant, these kids try to keep with the Christmas spirit while Snoopy has his mischief to do.

All Rerun wants from Santa is a dog, but his mother won't let him have one. Spending time with Snoopy provides the perfect pick-me-up. But when Snoopy gets too busy to play with Rerun, they call in a substitute—Snoopy's brother Spike.

Mr. Twitchell, a greedy old businessman, has invented Summer Wheeze: a spray that instantly removes snow and slush! Now Holly has to keep Frosty from melting, and convince everybody that snow's actually a good thing.

When Charlie Brown complains about the overwhelming materialism that he sees amongst everyone during the Christmas season, Lucy suggests that he become director of the school Christmas pageant. Charlie Brown accepts, but it is a frustrating struggle. When an attempt to restore the proper spirit with a forlorn little fir Christmas tree fails, he needs Linus' help to learn the meaning of Christmas.

Linus has to break devastating news, his father has a new job and has to relocate his family. Charlie Brown and the gang make their goodbyes and prepare for Linus and Lucy's departure.

After Snoopy displays his usual level of courage and runs away from his sentry duty, he happens to run into a beautiful female. Smitten, he decides to marry her. Now, the gang, and Snoopy's brother, Spike, want to help in an affair that has the usual complications

After Charlie Brown spots a girl briefly shown in a sports event broadcasting, he is smitten enough to go in search of her with the help of Linus. Unfortunately in his search, he has his usual amount of luck. As Charlie Brown is watching a football game, he spots a girl in the stands that he immediately attaches himself to. When the game ends, he is desperate to find her, so he enlists Linus to help him and, because of his absolute nervousness, to do the talking for him. However, that move could wind up spelling doom for the love-starved Charlie Brown once they finally find her.

A motorcross, a race of motorbikes through a series of obstacles, provides the occasion for Charlie Brown's latest attempt to win at something. He selects Linus as his pit crew and goes to a store to select a bike, and due to insufficient funds, he must settle for a tiny, run-down putt-putt. The majority of Charlie's opponents are eliminated in the race, and Charlie, wearing a makeshift helmet carved from a pumpkin, finds himself in close competition with his friend, tomboy Peppermint Patty, and the Masked Marvel (a.k.a. Snoopy, Charlie's dog).

When the gang loses patience with Snoopy's mischief, he suddenly finds himself back in obedience training. With a vengeance, Snoopy decides it's time to run away to Peppermint Patty's house, but soon realizes life might not be so bad with Charlie Brown after all.