The script was written in about twenty minutes.
The camera was originally going to be animated using stop-motion animation, but this idea was scrapped due to time constraints, and replaced with puppeteering.
The first George O'Connor film to be released on DVD.
The Rod Serling narration at the end of the film was not in the original script. It was added during post-production.
The reason that two different cameras appear is because when production started, the crew only had one camera (the brown one), but received the gray camera halfway through production. They used it because they felt it looked scarier. The brown camera was going to be replaced with the gray camera using Adobe After Effects, but the editor ran out of time.