In It's Flashbeagle, Charlie Brown, Snoopy's victory over Peppermint Patty's football team inspires the Beagle to take on a new persona: Flashbeagle. As he listens to his radio, Snoopy learns the latest dance moves and perfects his own style. He then sets out to become the ultimate disco dancer.
Meanwhile, the rest of the Peanuts gang is struggling to keep up with the latest dance craze. Linus and Lucy try to teach Charlie Brown to breakdance, while Schroeder attempts to master the moonwalk. Eventually, the group gets wind of Flashbeagle's skills and decides to challenge him to a dance-off.
Flashbeagle accepts the challenge and prepares for the big event. He enlists the help of his girlfriend, a pink poodle named Genevieve, and together they put on an epic disco display. The Peanuts gang is impressed by Flashbeagle's moves and defers to him as the disco king.
However, Flashbeagle soon realizes that he is not satisfied with his newfound fame. He misses his old life as Snoopy and realizes that he doesn't need to be a disco king to be happy. In the end, he abandons his Flashbeagle persona and returns to his beloved doghouse, content to be just Snoopy.
It's Flashbeagle, Charlie Brown is a classic Peanuts tale about self-discovery and the importance of being true to oneself. With its catchy soundtrack and colorful animation, it's a fun and entertaining addition to the Peanuts canon.