Transformers is a Japanese-American animated series that debuted in 1984. It features the epic battle between the heroic Autobots and the evil Decepticons, two factions of sentient robots from the planet Cybertron. Known for its iconic characters like Optimus Prime and Megatron, the series gained a massive following and expanded into various media, including comics, movies, and toys. Its innovative concept of robots transforming into vehicles and other objects captivated audiences worldwide.