The Zygon Invasion of Earth
The Doctor and UNIT face the Zygon invasion led by Broton, whose sonic weapons and bio-weapon Skarasen threaten humanity. Infiltration of human forces and the creature's use as a weapon force desperate countermeasures to expose and repel the extraterrestrial incursion.
Arc Timeline
Season 13
4 eventsMunro’s frantic attempts to raise Hibernian Control are drowned in electromagnetic screech before being torn apart by the rig’s structural failure. His Mayday cuts off mid-breath in a violent explosion …
Broton and the Zygon operator observe the Doctor on their ship’s monitors while he analyzes a monstrous force threatening the oil rigs. Recognizing the Doctor’s intellect and growing knowledge of …
The Doctor inspects a captured Zygon signalling device and theorizes it emits a primal mating call designed to lure the Skarasen toward human prey. Huckle’s firsthand account of hearing unnatural …
Stranded after his vehicle fails, the Doctor flees the pursuing Skarasen across Tullock Moor. Amid the chaos he detects a repeating signal and retrieves a tracking device from his pocket. …