After several people and a dog are found dead in their closets a "mild-mannered" reporter, a college professor, her son and a befuddled professor band together to uncover the mystery but not without involving the U.S. Army and mass panic.

The story begins at a big football game where Snoopy wins a game from Peppermint Patty's team. That night, Snoopy gets out a radio, learns some 80's dance moves, and becomes Flashbeagle.

The Peanuts gang perform the classic Broadway musical. In addition to the classic songs, we see Charlie Brown and his friends perform the various comedy sketches of the play.

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

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.

As they begin their journey home from their student exchange term, Charlie Brown and the gang find themselves sidetracked. They have severe car trouble and more importantly, they pass by various monuments to World Wars I & II. With Linus guiding them through these memorials, they learn about the events of the wars and the sacrifices required of the troops who fought them.

After arriving in India, Indiana Jones is asked by a desperate village to find a mystical stone. He agrees – and stumbles upon a secret cult plotting a terrible plan in the catacombs of an ancient palace.

After receiving an exotic small animal as a Christmas gift, a young man inadvertently breaks three important rules concerning his new pet, which unleashes a horde of malevolently mischievous creatures on a small town.

A Los Angeles radio-station manager's girlfriend shows his teenage daughter how to be sexy.

It's Three Strikes, Charlie Brown is from the later phases of the Peanuts TV-special saga. Instead of concentrating on a single story (a la A Charlie Brown Christmas), this half-hour animated effort offers eight separate anecdotes. All are derived from continuities originally presented in Charles Schultz' Peanuts comic strip, and all were first telecast on the Saturday morning TV series The Charlie Brown and Snoopy Show. And, re the blanket title, all are unified by a central "baseball" theme. The best sequence in It's Three Strikes, Charlie Brown finds the canine Snoopy assuming a managerial post on the opposing team.