S13E13
Paranoid Suspense
Written by Terry Nation
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The Android Invasion Part 1

When the TARDIS lands on Earth, the Doctor and Sarah Jane Smith discover a mysterious energy source and a village with a sinister secret, leading to a confrontation with androids and a desperate bid for survival.

The Doctor and Sarah Jane Smith arrive on Earth in the TARDIS, but the time-traveling ship's coordinates are uncertain. As they explore, they encounter a Corporal from UNIT who appears to be under some sort of mind control. The Doctor and Sarah soon discover that a village, Devesham, has been evacuated, and the inhabitants are now acting strangely, as if they are under some sort of control. The Doctor and Sarah investigate and uncover evidence of a mysterious energy source and a plot to replace humans with androids. As they dig deeper, they face danger from the androids and the military, leading to a tense confrontation. The Doctor and Sarah must use their wits and resourcefulness to survive and uncover the truth behind the android invasion.


Events in This Episode

The narrative beats that drive the story

18
Act 1

The TARDIS lands on Earth, bringing the Doctor and Sarah Jane Smith to Tubney Wood. They immediately encounter anomalies: a trance-like Corporal, a peculiar energy reading, and dry ground despite the smell of rain. Their investigation is interrupted by an attack from mysterious white-suited figures, leading to the Corporal's death by falling off a cliff. Examining the body, they discover a UNIT badge and newly minted, same-dated coins, deepening the mystery. They then find a strange, egg-shaped artifact in a quarry before seeking refuge in the seemingly deserted village of Devesham, which Sarah recognizes. There, they find more new currency in the empty pub. The situation escalates dramatically when the villagers, including the 'dead' Corporal, return in a trance-like state, only to 'activate' at the chime of a clock. The Doctor deduces a connection to the nearby Space Defence Station and leaves Sarah to investigate, intending to contact UNIT. Sarah's subsequent interrogation by the villagers, who appear to be 'testing' her, reveals the true nature of the white-suited figures as androids. Meanwhile, the Doctor infiltrates the Space Defence Station, encountering a blank soldier and overhearing a conversation about a 'random unit.' Sarah returns to the TARDIS, only for it to dematerialize, leaving her stranded. The quarry artifact then opens, releasing a new android that attacks her. Simultaneously, the Doctor, having confronted the suspicious Senior Defence Astronaut Guy Crayford (who believes him an impostor), escapes, only to be cornered and captured by soldiers and androids on the roof of the facility, observed by Sarah. This act establishes the central mystery, introduces the android threat, and leaves both protagonists in immediate, life-threatening danger, separated and isolated.