Ultraman, known as 'Urutoraman' in Japan, is a Japanese science fiction television series that debuted in 1966. It is a pivotal series in the Ultra Series franchise, featuring a giant alien superhero who defends Earth against monstrous threats. The series blends elements of kaiju (giant monster) films with superhero stories, establishing a new genre. Ultraman's iconic design and pioneering special effects have made it a lasting cultural phenomenon, inspiring numerous sequels, spin-offs, and adaptations worldwide.