felszabadított: Nov 15, 1965
Runtime: 58 percek
Műfaj: TV film
Csillag: Clive Endersby, John Meillon, Bill Nagy, David Knight, Burt Kwouk, Roger Croucher
Crew: George Spenton-Foster (Associate Producer), Isaac Asimov (Story), Meade Roberts (Adaptation), Naomi Capon (Director), Irene Shubik (Producer)