Jeonja Ingan 337
Genres: Action, Sci-Fi
Type: Movie, Episodes: 1
Aired: Dec 8, 1977
Source: Unknown
Rating: G - All Ages
Synopsis:
Professor Jang has spent a fortune to create a robot that mimics the abilities of Maruchi and Arachi while possessing other powers such as super sensitive hearing, vision, and strength. However, even with all its powers, the Electric Man 337 still needs the help of Maruchi and Arachi to defeat a pair of giant robots bent on world conquest.

(Source: Koreanfilm.org)