Ganbare Goemon: Jigen Jō no Akumu

A single-episode thirty-minute OVA was released in Japan in 1993 titled Ganbare Goemon: Jigen Jō no Akumu (がんばれゴエモン 次元城の悪夢, "Ganbare Goemon: The Nightmare of the Dimensional Castle"). The OVA starred the voice of Daiki Nakamura as Goemon and Hideyuki Umezu as Ebisumaru and feature segments parodying Gradius, Akumajō Dracula and TwinBee.