S7E9
Tragic
Written by Malcolm Hulke
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Doctor Who and The Silurians Part 5

When an ancient race of reptilian humanoids, the Silurians, awaken beneath a British research facility, the Doctor must mediate between them and humanity to prevent a devastating war for control of Earth.

The story begins with a research facility experiencing power fluctuations, but they soon uncover an ancient, hibernating race of reptile-like humanoids, the Silurians. As the Silurians awaken, tensions rise with the humans, leading to conflict and casualties on both sides. The Doctor arrives to mediate, hoping to find a peaceful solution between the two species. He ventures into the Silurian city, encountering both sympathetic and hostile factions. He learns about the Silurians' history, their reasons for hibernation, and their desire to reclaim Earth. He tries to convince the Silurian leader that humans are not inherently hostile and that coexistence is possible, proposing a plan for them to inhabit regions of the Earth unsuitable for humans.

Meanwhile, within UNIT and the research facility, opinions are divided. Some, like Miss Dawson, advocate for immediate military action against the Silurians, while others, like Liz Shaw, support the Doctor's efforts to find a diplomatic solution. Major Baker, who was captured by the Silurians, returns with a strong anti-Silurian bias, accusing the Doctor of treachery when the Doctor attempts to protect him. The Brigadier and Masters are caught between the need for security and the possibility of peaceful resolution.

As negotiations progress, a rogue faction of Silurians, led by a younger, more aggressive member, plots to sabotage the peace efforts. They infect Major Baker with a deadly virus, intending to unleash a plague upon humanity and secure their dominance. The Doctor discovers this plot and works with the cooperative Silurian leader to find a cure, but the rogue Silurian usurps control, plunging the two races closer to war. In the end, facing the Silurian's actions and a distrustful human military, the prospect of long-term peace looks bleak, the Doctor is left to ponder the tragic outcome of a conflict rooted in misunderstanding and fear.


Events in This Episode

The narrative beats that drive the story

32
Act 1

The episode opens with a stark demonstration of the Silurian factions' division: the aggressive Junior Silurian executes human soldiers against the Elder Silurian's orders, declaring war on humanity. Simultaneously, Brigadier Lethbridge-Stewart and his UNIT team find themselves critically trapped within the Silurian cave system, their air supply dwindling, highlighting humanity's vulnerability. Above ground, the research facility's staff, including the skeptical Dr. Lawrence and the hawkish Miss Dawson, clash with Liz Shaw's attempts to advocate for the Doctor's diplomatic approach. Masters, caught between, receives alarming news of the Brigadier's lost contact. Imprisoned by the Silurians, the Doctor persistently argues for understanding, trying to convince the Elder Silurian of humanity's true power and the catastrophic consequences of war. The Elder Silurian, despite Junior's bloodlust, shows a flicker of reason, releasing the Doctor from his cage to hear him further. This initial interaction establishes the profound stakes and the Doctor's desperate effort to bridge the chasm between species, even as the threat of violence escalates on both sides. The Brigadier's entrapment serves as a tangible ticking clock, pressing the Doctor's diplomatic efforts. The Doctor's arguments about the Earth's history and the Silurian's misunderstanding of the Moon's origin begin to sway the Elder, creating a fragile opening for negotiation amidst the rising tensions.

Act 2

Following the Doctor's persuasive arguments, the Elder Silurian agrees to release the trapped UNIT soldiers as a gesture of good faith, physically manifesting this decision by dissolving the rock wall blocking their escape. This act provides a momentary triumph for the Doctor's peace efforts, as the Brigadier and his men return to the surface, safe but bewildered by their miraculous escape. However, this fragile truce immediately incites the rogue Junior Silurian, who vehemently rejects coexistence and plots to usurp the Elder's leadership. Junior, with the complicity of a Silurian scientist, decides to unleash a deadly plague upon humanity, selecting Major Baker as their initial test subject. Baker, attempting a desperate escape, is recaptured and forcibly taken to the laboratory for the horrific experiment. Meanwhile, the Doctor, still in the Silurian control room, is informed by the Elder Silurian that Baker has been released but, crucially, has been infected with a lethal disease. The Elder, still committed to peace, provides the Doctor with a sample of the bacteria, entrusting him with the impossible task of finding a cure to avert a global catastrophe, thus shifting the immediate focus from negotiation to containment and survival.

Act 3

The Doctor returns to the conference room, immediately identifying Major Baker as the carrier of the deadly Silurian plague. He urgently warns everyone to isolate Baker, who collapses, confirming the infection. This dramatic revelation transforms the immediate threat from open warfare to a biological catastrophe, forcing the human authorities to confront a danger they barely comprehend. Simultaneously, in the Silurian control room, the Junior Silurian executes his coup, using his third eye to incapacitate and effectively depose the Elder Silurian, seizing absolute control of the Silurian civilization. This act shatters any remaining hope for peaceful coexistence through diplomacy, as the aggressive faction now dictates their species' actions. The Doctor, facing both the spread of the plague and the loss of his diplomatic ally, desperately calls for immediate quarantine and the development of an antidote, even as he maintains his belief in the necessity of negotiation. However, his pleas are met with skepticism and confusion from Dr. Lawrence and Masters. Baker is transferred to a hospital, inadvertently risking a wider outbreak, and Masters himself begins to show signs of illness, underscoring the immediate and pervasive danger. The episode concludes with the Doctor, Liz, and the Brigadier racing against time to contain the rapidly escalating biological threat, leaving the fate of both species hanging precariously in the balance.