OSAS

Season 1 (1989-1990)
Production on Season 1 was through December 1987-August 1989, and episode production was over the place, the animation was provided by Mierom Animation Co. Ltd, and Klasky Csupo.

Season 2 (1990-1992)
Production on Season 2 was through December 1989 - December 1991, and episode production was over the place, the animation was provided by Mierom Animation Co. Ltd, and Rough Draft Korea Co. Ltd.