Fabula
Season 13 · Episode 3
S13E3
Cynical
Written by Robert Banks Stewart
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Terror of the Zygons Part 3

When the Doctor and his companions investigate strange occurrences in Scotland, they uncover a sinister alien plot involving a cyborg creature and a disguised aristocrat, threatening global chaos.

The Doctor and his companions, including Sarah and Brigadier, investigate a series of mysterious events in Scotland. They discover that a cyborg creature, the Skarasen, is being controlled by aliens known as the Zygons. The Zygons are using the creature to terrorize an oil rig and have infiltrated human society through disguise. The Doctor and his team must stop the Zygons' plan to take over the Earth, while navigating through various locations including Forgill Castle and the shores of Loch Ness. Along the way, they encounter various characters, including a suspicious Duke and a seemingly innocent nurse, Sister Lamont. As the story unfolds, the Doctor and his companions face numerous challenges and dangers, including the Skarasen's attacks and the Zygons' attempts to capture them. Ultimately, they devise a plan to defeat the Zygons and destroy their spaceship hidden under Loch Ness.


Events in This Episode

The narrative beats that drive the story

31
Act 1

The narrative commences with a high-stakes escape as the Doctor evades the Skarasen's attack, a direct consequence of Harry's ingenious, albeit brief, sabotage of the Zygon control panel. This disruption leads the Zygons to erroneously conclude the Doctor's demise and recall their creature, providing a temporary reprieve. Simultaneously, Sergeant Benton meticulously searches the Fox Inn for hidden microphones, encountering the dismissive and territorial innkeeper, McRanald. Unseen by Benton, the Zygons exploit a sophisticated surveillance system embedded within a mounted stag's head, monitoring the inn's activities and McRanald's growing unease. The Doctor, Sarah, and Brigadier finally reconvene, where the Doctor swiftly identifies the Skarasen as a cyborg, a hybrid of animal and machine, and deduces its control by an unseen alien intelligence. Crucially, the signal source is pinpointed to Loch Ness, prompting the team to seek an audience with Duke Forgill, the influential owner of the loch's shoreline. Their subsequent confrontation at Forgill Castle sees the Duke vehemently reject their extraordinary claims of a monster and extraterrestrial involvement, branding their theories as 'utterly, totally absurd.' This initial resistance from a figure of authority underscores the challenge of convincing the world of the Zygon threat, laying the groundwork for the deepening mystery and the escalating alien menace.

Act 2

The alien threat transitions from theoretical to terrifyingly real as Sister Lamont, a Zygon imposter, sheds her human disguise and brutally strangles McRanald at the Fox Inn, exposing the lethal extent of the Zygons' infiltration. Benton and his soldiers immediately pursue the escaping Zygon, initiating a tense manhunt in the surrounding plantation. Back at Forgill Castle, the Doctor articulates the Zygons' strategic motivations, explaining that the oil rig attacks are a direct consequence of the Skarasen's traditional route being obstructed by human development. A critical turning point occurs when the Brigadier receives an urgent call, confirming Benton has successfully cornered one of the alien creatures. Recognizing the need for comprehensive information, the Doctor strategically tasks Sarah with researching local geographical features, specifically McRanald Bay and the Devil's Punchbowl, within the castle's extensive library. Simultaneously, a chilling realization dawns on the Doctor: Duke Forgill himself is likely a Zygon imposter, dramatically escalating the personal danger for Sarah, who remains alone in the castle. Sarah, following her research, uncovers a hidden passage, which she bravely enters, leading her directly into the Zygon spaceship concealed beneath the loch. Inside, she makes a shocking discovery in the body print chamber, witnessing the true Zygon forms of Sister Lamont, Caber, and the Duke, confirming the widespread deception. Her infiltration culminates in finding Harry, trapped and held captive within the alien vessel. This act significantly intensifies the narrative, revealing the true scale of the Zygon plot and placing the companions in extreme peril within the heart of the enemy's base.

Act 3

The climax of this part ignites as the Doctor and Brigadier return to Forgill Castle, their fears confirmed by the discovery of Sarah's discarded jacket and a trace of blood, signaling her peril. Their anxieties are momentarily relieved when Sarah and Harry emerge from the hidden passage, bringing with them explosive revelations: the existence of the Zygon spaceship beneath Loch Ness and the shocking truth that Duke Forgill is an imposter. Without hesitation, the Doctor plunges into the newly revealed passage, only to be swiftly captured by Broton, the Zygon commander. Broton, now holding the Doctor captive, reveals the full, sinister scope of the Zygons' ambition: not merely to coexist, but to conquer Earth, asserting that the oil rig attacks were merely a 'trial of strength' for their monstrous Skarasen. Left with their leader captured and the Zygon plan laid bare, the Brigadier, Sarah, and Harry face a dire situation. Demonstrating his characteristic resolve, the Brigadier takes immediate, decisive action, ordering Sergeant Benton to launch depth charges directly into Loch Ness, targeting the concealed Zygon vessel. The subsequent explosions rock the spaceship, causing internal chaos. In response to the attack, Broton, undeterred, commands the activation of the 'dynacon thrust.' With a powerful surge, the massive Zygon spaceship begins its ascent, lifting dramatically from the loch's depths, transforming the localized threat into an imminent global danger and leaving the fate of Earth hanging precariously in the balance.