
Denkou Choujin Gridman: The Demon Lord's Counterattack (電光超人グリッドマン魔王の逆襲, Denkō Chōjin Guriddoman Maō no Gyakushū) is an original film story published as a gravure photo album. It is a spin-off of Gridman the Hyper Agent, taking place after the TV series, where it serialized on Shogakukan Televi-Kun, running from May to November 1994.