Ultraman (1966): Season 30, Episode 3

30 - 3: Welcome to Aizen Tech

The three siblings visit the passionate Makoto Aizen, president of Aizen Tech, a company located in Ayaka City and are enchanted by their displays of cutting-edge technology. It's then revealed that the mother of the three siblings was once doing "specific research" for AizenTech. During their visit, a giant monster with the ability to turn items into stone attacks.