There are two different versions of the series; the initial releases (often called the LaserDisc releases) has a more vivid color. The DVD releases from 2000s, including the Sentai releases, has a muted hue but is drawn slightly differently. Both, frame by frame, is the same.
Some episodes in the DVD differ to the initial releases (often called the LaserDisc/VHS releases). The DVD releases from 2000s, including the Sentai releases, is drawn slightly differently but frame by frame, both are the same.
