The Sensorites is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from June 20 to August 1, 1964. The third episode was postponed by one week following the overrun of sports programme Grandstand.
The Doctor, Ian, Barbara and Susan arrive in the TARDIS on board a spaceship. The ship's human crew are suffering from telepathic interference from the Sensorites, a race of reclusive aliens fearful of an attack from other species.