"Peabody's Improbable History" is an animated television series that aired as part of the "The Rocky and Bullwinkle Show." The show features Mr. Peabody, a highly intelligent dog, and his boy, Sherman, as they travel through time using a device called the WABAC machine. Each episode presents a historical event or figure, blending education with humor. The series aims to teach viewers about important moments in history while entertaining them with clever storytelling. Through their adventures, Mr. Peabody and Sherman encounter various historical characters, such as George Washington and Cleopatra, making history accessible and engaging for children.