Scooby-Doo is a media franchise that originated as an American animated television series in the 1960s. The show follows a group of friends and their talking Great Dane dog named Scooby-Doo, as they solve mysteries involving supposedly supernatural creatures. Scooby-Doo is known for its comedic tone, iconic characters, and catchy theme song. The franchise has expanded to include various spin-offs, movies, and merchandise, and has become a cultural icon. Scooby-Doo has been praised for its positive messages about teamwork and courage.