 The series was a co-production by Hammer Studios with 20th Century Fox Television (as was the 1968 anthology series "Journey to the Unknown"), and is known in the United States as "Fox Mystery Theater".It was first aired in the UK by ITV in 1984, though it was shown in different timeslots (and a different running order) throughout the various ITV regions.1London region transmission date unknown, but screened on ITV's Television South West on 17 December 1984.