The Dalek Invasion of Earth
（重定向自Slyther）
The Dalek Invasion of Earth is the second serial of the second season in the British science fiction television series Doctor Who, which originally aired in six weekly parts from 21 November to 26 December 1964. It was the second appearance of the Daleks and thus the first time an enemy re-appeared. This serial marks the final regular appearance of Carole Ann Ford as companion Susan Foreman. It was later adapted into the movie Daleks – Invasion Earth: 2150 A.D. starring Peter Cushing.