- The 2003 DVD release includes a remastered feature-length special edition of the story, prepared by Mark Ayres based on the notes of director 'Nicholas Mallet'. This includes nearly 12 minutes of extra footage, updated special effects and Dolby Digital 5.1 sound.
- An alternate version was released on VHS in 1990. it had just over six minutes over material cut from the transmitted version.
- Another version was released in 2003 on DVD. It came as a two-disc set. The first disc had the transmitted story. The second disc contained a movie version of the story, with the material from the extended VHS plus other cut footage, replacement and new digital effects, picture regrade and remixed/re-cut score. There are several extras in the set including a behind the scenes video of the reediting of the story.
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