Most of the actresses were cast when the strip club where they worked was raided by the police. The casting director showed up in front of the club as it was being shut down and offered all of them work in the film.
DC Comics, which owns the character Batman, sued the production company, Associated Distributors Productions, for copyright infringement. Contrary to popular belief, Warren won. After the lawsuit, as the popularity of the Batman television series died down, Warren re-released the film under the title "She Was a Hippy Vampire". The Mystery Science Theater 3000 (1988) episode featuring the film used the original title, "The Wild World of Batwoman," in the home video release.
The robbery-turned-murder scene at the start of this film is apparently taken from an unidentified Swedish film. A sign over a door in the background says "Livsmedel", which is a Swedish term for groceries.
Katherine Victor created the Batwoman costume herself because Jerry Warren would not hire a costume designer. She made the bat insignia with a cardboard cutout, outlined it on her chest with a drawing pencil, and filled it in with black eyeliner.