Fabula
S12E12 · Genesis of the Daleks Part 2

The Ticking Dome: Sarah’s Choice Between Escape and Sabotage

In the suffocating confines of the Thal Dome, Sarah Jane Smith and the enslaved Mutos—including Sevrin—are thrust into a deadly paradox: their forced labor is not just a means of oppression but a ticking time bomb. A captured Kaled prisoner reveals the horrifying truth: the unshielded distronic explosives they’re loading into the Thal rocket will kill them from toxic exposure within hours. The dome’s air hums with the weight of this revelation—every breath, every step closer to the rocket’s base, is a countdown to their own annihilation. Sarah’s survival instinct clashes with her moral compass as she grapples with two urgent imperatives: engineer an escape for herself and the other slaves before the radiation claims them, or sabotage the Thals’ genocidal weapon to prevent the annihilation of the Kaleds—even if it means sacrificing their own lives. The moment is a crucible of tension, where the Doctor’s moral dilemma (whether to intervene in the Daleks’ genesis) mirrors Sarah’s personal stakes. As the toxic level monitor creeps toward ‘Danger,’ the slaves are herded back to their lethal task, and Sarah’s resolve hardens: hesitation is a death sentence. The scene is a masterclass in escalating stakes, where the physical threat of radiation exposure becomes a metaphor for the moral radiation of war—each choice a poison, each second a step closer to irreversible consequence.

Plot Beats

The narrative micro-steps within this event

1

Sarah realizes they must find a way out of their situation as the guards prepare them to resume loading the explosive, driving home the urgency of their predicament.

desperation to resolve

Who Was There

Characters present in this moment

5

Cautiously optimistic yet deeply conflicted. Sevrin’s initial resignation gives way to a flicker of hope as Sarah suggests an escape plan, but his moral ambiguity about the Thals' weapon lingers, creating an internal tension that drives his actions.

Sevrin, a Muto slave laborer, stands beside Sarah in the Thal Dome, his demeanor a mix of caution and resignation. He explains the Thals' brutal practices to Sarah, speculating that their capture as slave laborers is a rare exception to the Thals' usual policy of killing on sight. When the Kaled prisoner reveals the true nature of their task—loading unshielded distronic explosives—Sevrin’s initial ambivalence about the Thals' weapon wavers. He listens intently as Sarah begins to urge the group to think of an escape, his expression reflecting a growing internal conflict between survival and the moral weight of their labor.

Goals in this moment
  • Survive the immediate threat of radiation poisoning by finding a way out of the Thal Dome.
  • Reconcile his personal moral conflict about the Thals' genocidal weapon and the potential end of the war.
Active beliefs
  • The Thals' weapon, while morally repugnant, might end the war and bring relief to his people.
  • Sarah’s plan to escape or sabotage the weapon is worth pursuing, even if it risks their lives.
Character traits
Cautious and pragmatic Morally conflicted Loyal to fellow slaves Adaptive to new information Quietly observant
Follow Sevrin's journey

Detached and authoritative, with no visible reaction to the slaves' plight. His emotional state is one of professional indifference, driven solely by the need to ensure the Thals' plans proceed without interruption.

The Thal Guard stands over the group of Mutos and Sarah, his protective suit shielding him from the lethal radiation of the distronic explosives. He oversees the slaves as they load the cylinders, his presence a constant reminder of their oppression. Though he does not speak in this segment, his authority is palpable—he herds the slaves back to their task with silent menace, ensuring they continue their deadly labor despite the creeping toxic levels. His role is one of cold efficiency, enforcing the Thals' genocidal plans without hesitation.

Goals in this moment
  • Ensure the slaves continue loading the distronic explosives without delay or resistance.
  • Maintain order and discipline in the Thal Dome, preventing any attempts at escape or sabotage.
Active beliefs
  • The ends justify the means—even the suffering of slaves is acceptable if it serves the Thals' ultimate victory.
  • The slaves are expendable, and their lives are secondary to the success of the mission.
Character traits
Authoritative and unyielding Coldly efficient Indifferent to the suffering of the slaves Disciplined and focused on the task at hand
Follow Thal Guard …'s journey

Desperate and urgent, with a growing sense of camaraderie with the Mutos and Sarah as they share the same fate. His fear for his people is palpable, but so is his resolve to do whatever it takes to stop the Thals' weapon.

The Kaled prisoner, forced into slave labor alongside the Mutos and Sarah, reveals the horrifying truth about the Thals' rocket: it is packed with unshielded distronic explosives designed to annihilate his entire race. He explains the lack of protective shielding and the immediate danger of radiation exposure to the slaves, his voice tinged with desperation. As the toxic level monitor climbs, he warns that the weapon will succeed in wiping out the Kaleds if launched, and he grows increasingly urgent, rallying the group to consider escape or sabotage as their only hope of survival.

Goals in this moment
  • Convey the immediate and existential threat posed by the distronic explosives to the group.
  • Rally the slaves to consider escape or sabotage as their only means of survival and to prevent the annihilation of his race.
Active beliefs
  • The Thals' weapon must be stopped at all costs, even if it means risking their lives.
  • The Mutos and Sarah, despite their differences, are his allies in this moment of shared peril.
Character traits
Desperate yet determined Honest to the point of brutality Strategic thinker in crises Empathetic toward fellow slaves despite racial differences Unwavering in his opposition to the Thals' genocidal plans
Follow Kaled Slave …'s journey

Resigned and exhausted, with a growing sense of urgency as Sarah’s words spark a flicker of hope. Their emotional state is a mix of despair and determination, driven by the realization that inaction means certain death.

The group of Mutos, including Sevrin, are forced to load the unshielded distronic explosive cylinders under the watchful eye of the Thal Guard. Their movements are slow and labored, a mix of exhaustion and dread as they handle the lethal payload. The toxic level monitor climbs steadily, and their resignation is palpable—each step closer to the rocket is a step closer to their own deaths. Yet, as Sarah begins to urge the group to think of an escape, a flicker of hope emerges among them, cutting through their despair.

Goals in this moment
  • Survive the immediate threat of radiation poisoning by following Sarah’s lead in devising an escape plan.
  • Find a way to sabotage the Thals' weapon, even if it means risking their lives.
Active beliefs
  • The Thals' oppression has left them with no choice but to fight for their survival.
  • Sarah’s plan, though risky, is their best chance of escape and sabotage.
Character traits
Resigned yet hopeful Exhausted but adaptable United in their shared peril Quietly defiant under oppression Capable of rallying in moments of crisis
Follow Muto Workers …'s journey

Anxious yet resolute, with a growing sense of urgency as the toxic exposure risk becomes undeniable. Her fear is tempered by a steely determination to find a way out, for herself and the others.

Sarah Jane Smith stands among the enslaved Mutos in the Thal Dome, her initial confusion about their location quickly giving way to a grim understanding of their predicament. She questions Sevrin and the Kaled prisoner, piecing together the horrifying truth: the distronic explosives they’re forced to handle are not only a weapon against the Kaleds but a death sentence for the slaves themselves. As the toxic level monitor creeps toward 'Danger,' Sarah’s survival instincts clash with her moral compass, and she begins to urge the group to consider an escape plan, her voice a mix of urgency and barely contained panic.

Goals in this moment
  • Understand the immediate threat posed by the distronic explosives and the Thals' plans.
  • Devise an escape plan or sabotage the Thals' weapon before the radiation exposure becomes fatal.
Active beliefs
  • The Thals' genocidal weapon must be stopped, even at personal risk.
  • Survival is not just about herself but also about the other enslaved workers, including Sevrin and the Kaled prisoner.
Character traits
Quick-witted and observant Moral compass drives action Adaptive under pressure Empathetic toward fellow captives Strategic thinker in crises
Follow Sarah Jane …'s journey

Objects Involved

Significant items in this scene

4
Thal Guard's Electric Buggy

The Thal Guard's electric buggy is driven into the Thal Dome, towing a box packed with sixteen unshielded distronic explosive cylinders. This vehicle is the mechanism through which the lethal payload is transported to the slaves for loading into the rocket. Its arrival marks a critical moment in the scene, as the toxic level monitor begins to climb rapidly, signaling the immediate danger to the slaves. The buggy’s role is both functional and symbolic—it embodies the Thals' ruthless efficiency in using slave labor to further their genocidal ambitions, while also serving as a ticking clock for the slaves' survival.

Before: Outside the Thal Dome, fully loaded with a …
After: Inside the Thal Dome, unloaded of its cargo, …
Before: Outside the Thal Dome, fully loaded with a box of sixteen unshielded distronic explosive cylinders, ready for transport to the slaves.
After: Inside the Thal Dome, unloaded of its cargo, the cylinders now in the hands of the slaves, who are forced to handle them despite the rising toxic levels.
Thal Guard's Box of Unshielded Distronic Explosive Cylinders

The box of distronic explosive cylinders is unloaded from the electric buggy and placed before the slaves, who are forced to handle the lethal payload. The cylinders are unshielded, meaning every moment of contact exposes the slaves to deadly radiation. As the slaves take the cylinders, the toxic level monitor on the wall climbs rapidly toward 'Danger,' underscoring the immediate and irreversible threat to their lives. The box and its contents are not just a physical object but a metaphor for the Thals' genocidal ambitions—each cylinder represents a step closer to the annihilation of the Kaleds and the slow poisoning of the slaves themselves.

Before: Securely loaded onto the electric buggy, fully sealed, …
After: Unloaded and opened, with sixteen cylinders distributed among …
Before: Securely loaded onto the electric buggy, fully sealed, and ready for transport into the Thal Dome.
After: Unloaded and opened, with sixteen cylinders distributed among the slaves, who are now handling them directly, accelerating their radiation exposure.
Thal Dome Radiation/Toxicity Warning Monitor

The toxic level monitor on the wall of the Thal Dome is a grim countdown to the slaves' deaths. As the slaves begin handling the unshielded distronic explosive cylinders, the monitor’s marker slides rapidly from 'Safe' toward 'Toxic Level,' reflecting the immediate and escalating danger. The monitor serves as a constant, inescapable reminder of the slaves' predicament—every breath, every movement, brings them closer to a fatal dose of radiation. Its role is both functional, as a warning system, and symbolic, representing the inescapable consequences of the Thals' genocidal plans.

Before: Displaying 'Safe,' with the marker at the lower …
After: Displaying 'Toxic Level,' with the marker at the …
Before: Displaying 'Safe,' with the marker at the lower end of the scale, indicating no immediate danger to the slaves.
After: Displaying 'Toxic Level,' with the marker at the upper end of the scale, signaling that the slaves are in immediate danger of fatal radiation exposure.
Thal Guard's Protective Suit

The Thal Guard's protective suit shields him completely from the lethal radiation of the distronic explosives, allowing him to oversee the slaves' labor without risk to himself. The suit is a stark contrast to the slaves' exposure, symbolizing the Thals' indifference to the suffering of their captives. It also reinforces the power dynamic in the Thal Dome—the guards are untouchable, while the slaves are expendable. The suit’s presence is a constant reminder of the slaves' vulnerability and the Thals' ruthless efficiency in achieving their goals.

Before: Worn by the Thal Guard outside the Thal …
After: Still worn by the Thal Guard as he …
Before: Worn by the Thal Guard outside the Thal Dome, fully sealed and ready for use in overseeing the slaves' labor.
After: Still worn by the Thal Guard as he stands over the slaves, ensuring they continue their deadly task despite the rising toxic levels.

Location Details

Places and their significance in this event

1
Thal Dome (Rocket Loading Bay)

The Thal Dome is a claustrophobic, radiation-saturated chamber that serves as both a prison and a worksite for the enslaved Mutos, Sarah, and the Kaled prisoner. The dim lighting casts long shadows over the massive rocket silo, creating an atmosphere of dread and urgency. The air is thick with the hum of machinery and the unspoken fear of impending doom. The dome’s walls are lined with monitors, including the toxic level indicator, which climbs steadily as the slaves handle the unshielded distronic explosives. The Thal Dome is not just a physical space but a metaphor for the Thals' oppressive regime—it traps its victims in a cycle of labor and death, with no escape in sight.

Atmosphere Oppressive, tense, and suffocating, with a palpable sense of dread and urgency. The air is …
Function Prison/worksite where the Thals force enslaved laborers to load unshielded distronic explosives into a genocidal …
Symbolism Represents the Thals' dehumanizing oppression and the moral radiation of war—every corner of the dome …
Access Restricted to Thal Guards and enslaved laborers. Entry or exit is heavily controlled, with slaves …
Dim, flickering lighting that casts long shadows over the rocket silo. The hum of machinery and the distant echoes of the slaves' labor. Wall-mounted toxic level monitor, its marker creeping toward 'Danger.' The oppressive heat and the metallic scent of radiation in the air.

Organizations Involved

Institutional presence and influence

2
Kaled Military/Davros’s Faction

The Kaled Military is indirectly represented in this event through the captured Kaled prisoner, who reveals the true nature of the Thals' genocidal weapon. The prisoner’s desperation and urgency reflect the Kaleds' existential threat—their entire race faces annihilation if the Thals' rocket is launched successfully. The Kaled Military’s goals are clear: survive the Thals' genocidal strike and, if possible, sabotage their efforts. Their influence in this moment is limited to the prisoner’s words, but his plea for action resonates with the other slaves, uniting them in a shared cause against the Thals.

Representation Through the captured Kaled prisoner, who serves as a voice for his people and a …
Power Dynamics The Kaled Military is in a position of weakness, as their people are on the …
Impact The Kaled Military’s involvement in this event highlights the broader institutional stakes of the war—this …
Internal Dynamics The Kaled Military’s internal dynamics are not directly visible, but the prisoner’s urgency suggests a …
Prevent the Thals' rocket from being launched, as it would result in the annihilation of the Kaled race. Rally the slaves to consider escape or sabotage as their only means of survival and to thwart the Thals' genocidal plans. Through the prisoner’s desperate pleas and revelations, which galvanize the slaves into action. By framing the Thals' weapon as a threat not just to the Kaleds but to the slaves themselves, creating a shared enemy and a united front. By appealing to the slaves' survival instincts, making resistance a matter of self-preservation as well as moral duty.
Thal Military Faction

The Thals are the ruling faction on Skaro, and their presence in the Thal Dome is felt through the oppressive authority of their guards and the genocidal ambitions of their war machine. The organization is represented by the Thal Guards, who oversee the slaves' labor with cold efficiency, ensuring the distronic explosives are loaded into the rocket despite the lethal radiation exposure. The Thals' goals are clear: annihilate the Kaleds in one decisive strike, regardless of the cost to their slave laborers. Their influence is exerted through brute force, institutionalized oppression, and the unyielding pursuit of victory at any price.

Representation Through the Thal Guards, who enforce the slaves' labor and maintain order in the Thal …
Power Dynamics Exercising absolute authority over the slaves, with no regard for their suffering or survival. The …
Impact The Thals' actions in the Thal Dome reflect their broader institutional culture of ruthless efficiency …
Internal Dynamics The Thals' internal dynamics are not directly visible in this event, but their actions suggest …
Ensure the distronic explosives are loaded into the rocket without delay or interference. Maintain control over the slaves, preventing any attempts at escape or sabotage that could jeopardize the mission. Brute force and threats of violence to enforce compliance. Institutionalized oppression, where the slaves are treated as expendable labor. Psychological manipulation, using the threat of immediate execution to deter resistance.

Narrative Connections

How this event relates to others in the story

What led here 1
NARRATIVELY_FOLLOWS medium

"Sarah's initial capture and forced labor (beat_66935dc9dfdbeb79) directly leads to her discovery of the Thal's plan with the Kaled prisoner (beat_183c14d9ef1bd2e5), linking her personal experience to a larger plot element."

The First Extermination: Davros Unleashes the Dalek Prototype and Ronson’s Moral Awakening
S12E12 · Genesis of the Daleks Part …
What this causes 2
Character Continuity

"Sarah's realization that they must escape (beat_548aa5a5afb6e96c) directly motivates her to urge the slaves to take immediate action and propose an escape (beat_77fc942735992cee)."

The Spark of Rebellion: A Desperate Climb to Freedom
S12E12 · Genesis of the Daleks Part …
Character Continuity

"Sarah's realization that they must escape (beat_548aa5a5afb6e96c) directly motivates her to urge the slaves to take immediate action and propose an escape (beat_77fc942735992cee)."

The Spark of Rebellion: Sarah’s Gambit in the Thal Dome
S12E12 · Genesis of the Daleks Part …

Key Dialogue

"SARAH: *Where are we?* SEVRIN: *We're inside the Thal dome. We should be lucky to be alive. The Thals normally kill on sight.* SARAH: *Then why the change? Why bring us here?* SEVRIN: *Perhaps they need slave workers for some project.* **→ [Subtext: Sevrin’s cynicism masks fear; Sarah’s urgency reveals her instinct to question authority, even in captivity. Their exchange sets up the dome’s dual role as prison and death trap.]**"
"KALED: *The muto is right. The work they're making us do kills with the same certainty as a bullet between the eyes.* SARAH: *What work?* KALED: *The Thals have built a rocket. [...] The nose cone of the rocket is being packed with distronic explosive. [...] Every load we carry exposes us to distronic toxaemia. After a few hours exposure, we'll all be dead.* **→ [Plot Revelation: The Kaled’s monologue transforms the scene from a survival story into a ticking-clock thriller. The distronic toxaemia becomes the invisible antagonist, forcing Sarah to confront mortality on two fronts: her own and the Kaleds’ via the rocket.]**"
"SARAH: *(The slaves are led out to the rocket base. The toxic level monitor slides toward ‘Danger’ as she takes a cylinder.) All right, don’t push.* **→ [Character Beat: Sarah’s terse command—‘don’t push’—is a microcosm of her internal conflict. It’s both a plea for physical space (amid the crush of slaves) and a metaphor for her emotional state: she’s being pushed toward a choice she’s not ready to make. The monitor’s climb is a visual metaphor for her escalating desperation.]**"