Watch Gangdagu Fighter 01 - Invaders of Planet Lewis for Free: How to Stream the Movie Online at 123Movies. . Initial installment in the Gangdagu series that followed the unofficial 1990 Korean Dragon Ball film. No translations/subtitles accessible. Possibly the same director, as his name in Korean is in the credits. There is little information is available on the cast/crew, or release details. Original Korean Title: 깡다구 화이터 01 루이스 행성의 침략자