Tetsujin 28-go, also known as Gigantor in English-speaking regions, is a pioneering anime series that aired in 1963. Created by Mitsuteru Yokoyama, it follows the adventures of a young boy named Shotaro Kaneda who controls a giant robot named Tetsujin 28. The series is notable for being one of the first mecha anime, setting a precedent for future shows in the genre with its thrilling action and innovative storytelling.