Mazinkaiser is an OVA series consisting of seven episodes with content from the original manga of Mazinger Z in addition to some original content such as the titular robots origin and the inclusion of Great Mazinger. Drawing inspiration from the Nagai manga, the designs emulated the manga and even used similar content like the Gamia Q mini-arc while offering the tongue-in-cheek cynicism the manga was known for. Animation was done by Brains Base while it was licensed by ADV Films.