Release 'Batman: Mask of the Phantasm' on blu-ray.
In 1993, Warner Bros. Animation theatrically released 'Batman: Mask of the Phantasm. While critically acclaimed, upon its release, the film was not financially successful at the box office, the film has gone on to attain cult status, many citing it as one of the best adaptations of the Batman legacy.
Over the last 21 years the film has grown in popularity thanks to VHS and DVD, and it has been confirmed WB still has no plans to release the film on blu-ray despite the fact that they're still releasing merchandise for the film