Season 0 of Ultraman premiered on July 10, 1966.

Season 1 of Ultraman premiered on July 17, 1966.

Ultraman is a Japanese tokusatsu science fiction television series produced by Tsuburaya Productions. It is a follow-up to Ultra Q, though not technically a sequel or spin-off. Tsuburaya Productions produced 39 episodes (40, counting the pre-premiere special) that aired on Tokyo Broadcasting System (TBS) and its affiliate stations from July 17, 1966, to April 9, 1967. Its premiere topped the average rating set by Ultra Q and kept climbing each week, marking the show as a success.