 In 2004, Home Vision Entertainment (HVE) released a 'Special Edition' DVD of the movie in the United States, including a documentary hosted by Tony Robinson.Coincidentally with HVE's release, Digiview Productions, which had assumed the movie was in the public domain, released it on DVD.However, the estate of Halas & Batchelor, who kept the copyright to the movie, ended up filing a lawsuit against Digiview Productions, and they won the lawsuit, resulting in Digiview filing for bankruptcy; it was later revived as Digiview Entertainment.