John Breslin

The TARDIS takes the newly regenerated Doctor to Earth to begin his exile. Brigadier Lethbridge-Stewart leads a UNIT investigation into a mysterious meteorite shower.

The chaos of the 1926 General Strike divides the Bellamy household.

The invasion begins as Auton shop dummies come to life and attack the public. The Doctor and UNIT infiltrate Auto Plastics where the Doctor faces the Nestene consciousness.

A recovered Doctor escapes the hospital and joins UNIT in their investigation. Meanwhile, Channing directs one of his Auton servants to recover a meteorite.

Sam Seeley has found one of the meteorites but the Autons want it back and are closing in. General Scobie visits Auto Plastics, playing into the hands of Channing.