 Two of the episodes, "A Distant Scream" and "In Possession", were remakes of stories that had been made for the fourth season of the BBC anthology series "Out of the Unknown".The series was released as a six-DVD set in the UK in 2006, currently out-of-print.In Germany, a four-DVD set was released in March 2018 under the title "Vorsicht, Hochspannung!