Metro-Goldwyn-Mayer (MGM) was a media production company established in 1924 and combined three powerful movie studios into one entity; Metro Pictures Corporation, Goldwyn Pictures Corporation and Louis B. Mayer Pictures. In April of 2005, Sony Corporation and the Comcast Corporation acquired the rights to all of MGM’s properties.
As it pertains to the Dark Shadows franchise, MGM produced and distributed two full-length Dan Curtis Productions motion pictures that were released to theaters; House of Dark Shadows and Night of Dark Shadows. A third Dark Shadows film entitled Death of Dark Shadows was optioned to MGM in 1972, but the production company never approved the project and it was permanently shelved.