صدر: May 16, 1964
مدة العرض: 150 الدقائق
نوع أدبي: خيال علمي, دراما, مغامرة
نجوم: William Hartnell, Carole Ann Ford, Jacqueline Hill, William Russell, George Coulouris, Martin Cort
Crew: Terry Nation (Writer), John Gorrie (Director), Mervyn Pinfield (Associate Producer), Daphne Dare (Costume Design), Jill Summers (Makeup & Hair), Verity Lambert (Producer)