The closing credits is a montage of scenes from the episodes, which are seen as the credits scroll up the screen.
The opening credits in each episode was computer animation.
The miniseries is an adaptation of the 1965 children's fantasy novel by Alan Garner.
The miniseries aired on Children's BBC from 4th January to 8th February 1995.
The mysterious mask outside the video game store had a resemblance to Sutehk from the "Doctor Who" Tom Baker story "The Pyramids of Mars".