The Doctor, Susan and Ian agree to accompany the Sensorites to their home planet in the hope of finding a cure for John. But not everyone is willing to welcome them there.
Did You Know?
This had the dubious distinction of being the first episode of Doctor Who
(1963) delayed because of programming by another BBC department. It was interrupted due to Grandstand
(1958) being extended on Saturday 4 July 1964 for special sports programming. See more