The Zygon Infiltration War

The Doctor arrives with Sarah and Harry at the Fox Inn to find Brigadier Lethbridge Stewart wearing a kilt, surprising Sarah. As a tense briefing on the three destroyed oil …

Huckle presents a grim medical report confirming the oil rig victims died by exposure and drowning, with crush injuries from the collapsed rigs. The Doctor seizes on hints of prior …

Harry stops his UNIT Land Rover on the beach road after spotting Munro, the collapsing survivor from the destroyed Charlie Rig. Racing to aid the dying man, Harry offers comfort …

The Doctor’s investigation takes a violent turn when a lone survivor from the destroyed Charlie Rig stumbles onto the beach, only to be gunned down by the Duke of Forgill’s …

Trapped in the pressurized decompression chamber, Sarah experiences the first brutal effect of the Zygons' nerve agent assault. Her airway constricts as the oxygen levels plummet, cracking the door open …

Harry corners Broton aboard the Zygon spaceship and extracts the horrifying origin of the Skarasen—a creature whose embryonic form was transported to Earth as the sole source of Zygon survival. …

The Doctor examines the Brigadier and other villagers found unconscious at the Fox Inn, deducing they have been subjected to a nerve gas attack designed to reduce higher brain functions. …

Harry watches in stunned horror as a Zygon demonstrates its terrifying ability to replicate human form, transforming from the ragged Caber into the exact likeness of the Doctor's ally. This …

Sarah investigates the commotion in the barn, climbing to the hayloft to find Harry only to discover the Zygon replica. The duplicate attacks with a pitchfork, desperate to eliminate her …

Harry’s bold sabotage of the Zygon control panel disrupts the Skarasen’s hunt, drawing its attention away from the Doctor. The alien commander Broton assumes the Doctor is dead once the …

Sergeant Benton methodically scours the Fox Inn under Brigadier’s orders, convinced hidden microphones signify alien surveillance. His aggressive search humiliates innkeeper McRanald, whose insistence on local trust exposes the widening …

The Brigadier’s phone rings mid-conversation about the Zygon threat, and upon answering he receives urgent coordinates for the alien creature’s location. His abrupt departure separates him from the Doctor just …

Broton ambushes the Doctor as he investigates the hidden passage beneath Forgill Castle, knocking him unconscious before he can escape. The Zygon commander reveals the full scope of their global …

Broton oversees the final phase of the Zygon descent, his commands crisp and authoritative as the landing sequence executes with precision. The vessel touches down with controlled force, kicking up …

The Zygon commander reports the Skarasen's proximity to the disguised Forgill, who then confirms the time has come for the final phase of their plan. Forgill's calm declaration masks the …

With Broton still at large inside Stanbridge House, the Doctor and Brigadier Lethbridge-Stewart coordinate a rapid search strategy. The Doctor seizes control of the operation, assigning the Brigadier to the …