The Little Shop of Horrors AIP distributed the film as the B movie for their release of Mario Bava's "Black Sunday". Despite being barely mentioned in advertising (it was only occasionally referred to as an "Added Attraction" to Bava's film), "Black Sunday"'s critical and commercial success resulted in positive word of mouth responses to "The Little Shop of Horrors". The film was re-released again the following year in a double feature with "Last Woman on Earth". Because Corman did not believe that "The Little Shop of Horrors" had much financial prospect after its initial theatrical run, he did not bother to copyright it, resulting in
The Little Shop of Horrors to happen the last week in December 1959. Interiors were shot with three cameras in wide, lingering master shots in single takes. Welles states that Corman "had two camera crews on the set—that's why the picture, from a cinematic standpoint, is really not very well done. The two camera crews were pointed in opposite directions so that we got both angles, and then other shots were 'picked up' to use in between, to make it flow. It was a pretty fixed set and it was done sort of like a sitcom is done today, so it wasn't very difficult." At