Çıkış: May 16, 1964
Çalışma Süresi: 150 dakika
Tür: Bilim-Kurgu, Dram, Macera
Yıldızlar: William Hartnell, Carole Ann Ford, Jacqueline Hill, William Russell, George Coulouris, Martin Cort
Crew: John Gorrie (Director), Terry Nation (Writer), Mervyn Pinfield (Associate Producer), Jill Summers (Makeup & Hair), Daphne Dare (Costume Design), David Whitaker (Script Editor)