Doctor and Zoe escape dissolving Dynatrope

The Doctor and Zoe, forced to wear headsets for the Krotons' transfer process, execute a desperate sabotage plan. Zoe secretly pours sulphuric acid into the Dynatrope's tank, triggering the Krotons' dissolution. As toxic fumes fill the chamber and the machine begins to melt, the Doctor and Zoe recognize the immediate danger. The Doctor feigns clumsiness to stall, then seizes the moment to flee as the Krotons collapse, their crystalline forms dissolving into gas. The escape is frantic—Zoe coughs from the fumes, the Doctor urges haste—but they avoid entrapment, preserving their ability to continue the mission. The scene pivots from sabotage to survival, with the Dynatrope's collapse marking a critical turning point in the Krotons' defeat.

Plot Beats

The narrative micro-steps within this event

1

The Doctor and Zoe escape the melting machine, recognizing the danger of the toxic fumes and the imminent collapse of the Dynatrope.

triumph to urgency

Who Was There

Characters present in this moment

4

Determined yet alarmed, shifting to relief as the sabotage succeeds and the escape becomes imminent.

Zoe secretly pours sulphuric acid into the Dynatrope's power tank while the Krotons are distracted, triggering a chemical reaction that begins dissolving the crystalline beings. She reacts with alarm as toxic fumes fill the chamber, coughing and following the Doctor's lead to escape. Her actions are precise and determined, showcasing her quick thinking and resourcefulness under pressure.

Goals in this moment
  • Sabotage the Dynatrope to neutralize the Krotons' threat
  • Ensure the Doctor's safety during the escape
Active beliefs
  • The sulphuric acid will effectively dissolve the Krotons' crystalline structure
  • The Doctor's feigned clumsiness is a deliberate distraction to buy time
Character traits
Resourceful Determined Quick-thinking Loyal Adaptable
Follow Zoe Heriot's journey

Authoritative at first, shifting to alarmed and panicked as the sabotage succeeds and the Krotons begin dissolving.

Kroton commands the Doctor and Zoe to wear the headsets for the transfer process, growing increasingly alarmed as the Dynatrope malfunctions and begins dissolving. He reacts with confusion and panic as the machine destabilizes, ultimately collapsing into a gaseous state as the sulphuric acid takes effect. His authority crumbles as the sabotage unfolds, leaving him powerless to stop the dissolution.

Goals in this moment
  • Complete the Dynatrope transfer to escape the planet
  • Maintain control over the Doctor and Zoe
Active beliefs
  • The Doctor and Zoe are compliant and will follow orders
  • The Dynatrope's power source is secure and cannot be sabotaged
Character traits
Authoritative Ruthless Protocol-bound Panicked (as events spiral out of control)
Follow Lead Kroton's journey

Calculating and urgent, shifting to relief as the sabotage succeeds and the escape becomes imminent.

The Doctor feigns clumsiness and confusion to distract the Krotons, allowing Zoe to pour the sulphuric acid into the Dynatrope's tank. As the machine begins to dissolve and toxic fumes fill the chamber, he urges Zoe to flee, ensuring their survival. His actions are calculated and strategic, demonstrating his ability to think quickly and adapt to dangerous situations.

Goals in this moment
  • Distract the Krotons to allow Zoe to sabotage the Dynatrope
  • Ensure a safe escape for himself and Zoe from the dissolving chamber
Active beliefs
  • The Krotons' focus on the transfer process can be exploited for sabotage
  • Zoe's scientific knowledge and resourcefulness are critical to their success
Character traits
Strategic Calculating Adaptable Protective Quick-witted
Follow The Second …'s journey
Supporting 1
Kroton 2
secondary

Neutral initially, shifting to panicked as the Dynatrope dissolves and his form begins to break down.

Kroton 2 assists Kroton in operating the Dynatrope, falling over and discharging a gas weapon as the machine begins to dissolve. He ultimately collapses into a gaseous state, his crystalline form dissolving under the effects of the sulphuric acid. His actions are mechanical and obedient, reflecting the Krotons' collective logic and hierarchy.

Goals in this moment
  • Assist Kroton in stabilizing the Dynatrope
  • Enforce the Krotons' protocols and demands
Active beliefs
  • The Dynatrope's systems are reliable and cannot be compromised
  • The Doctor and Zoe are threats that must be controlled
Character traits
Obedient Mechanical Ruthless (in enforcing protocol) Panicked (as the machine fails)
Follow Kroton 2's journey

Objects Involved

Significant items in this scene

5
Dynatrope Core Power Generation System

The Dynatrope is the central antagonist machine in this event, serving as the Krotons' power source and means of escape. As Zoe pours the sulphuric acid into its power tank, the machine begins to melt and destabilize, releasing toxic fumes that force the Doctor and Zoe to flee. The Dynatrope's collapse marks a critical turning point in the Krotons' defeat, symbolizing the end of their dominance over the Gonds and the planet. Its failure is both a physical and narrative victory for the companions.

Before: Operational but unstable, with dwindling power reserves and …
After: Dissolving and melting due to the sulphuric acid, …
Before: Operational but unstable, with dwindling power reserves and the Krotons attempting to transfer its energy back to their home planet.
After: Dissolving and melting due to the sulphuric acid, releasing toxic fumes and collapsing as the Krotons' forms break down.
Gonds' Sulphuric Acid Sabotage Weapon

The sulphuric acid is the critical sabotage agent in this event. Zoe secretly pours it into the Dynatrope's power tank, triggering a violent chemical reaction that dissolves the crystalline Krotons and destabilizes the machine. The acid's corrosive properties are pivotal in turning the tide against the Krotons, enabling the Doctor and Zoe's escape. Its use is a direct result of the Gonds' defiance and resourcefulness, providing the companions with a weapon against their crystalline oppressors.

Before: Contained in a bottle, hidden and ready for …
After: Poured into the Dynatrope's power tank, reacting violently …
Before: Contained in a bottle, hidden and ready for use by Zoe under the Dynatrope control room.
After: Poured into the Dynatrope's power tank, reacting violently and dissolving the Krotons' crystalline forms.
Kroton Dynatrope Transfer Operator Headset

The Krotons' Dynatrope transfer headsets are used to control the Doctor and Zoe during the transfer process. The Doctor feigns clumsiness and confusion while wearing his headset, distracting the Krotons and buying time for Zoe to pour the sulphuric acid. The headsets serve as both a tool for the Krotons' control and a means for the companions to execute their sabotage plan. Their use highlights the tension between compliance and defiance in this high-stakes moment.

Before: Worn by the Doctor and Zoe, connected to …
After: Discarded as the Dynatrope dissolves, no longer functional …
Before: Worn by the Doctor and Zoe, connected to the Dynatrope's transfer process and used to monitor their compliance.
After: Discarded as the Dynatrope dissolves, no longer functional amid the chaos of the collapsing machine.
Krotons' Dissolution Gas

The Krotons' gas weapons are discharged chaotically as the crystalline beings dissolve from the sulphuric acid sabotage. Thick toxic fumes billow through the Dynatrope control chamber, choking the air and forcing the Doctor and Zoe to flee. The gas weapons, originally a tool of the Krotons' control, become a secondary hazard in the dissolving chaos, adding to the urgency of the companions' escape. Their discharge underscores the desperation of the Krotons' final moments.

Before: Loaded and ready for use by the Krotons, …
After: Discharged chaotically as the Krotons collapse, filling the …
Before: Loaded and ready for use by the Krotons, a tool of their authority and control.
After: Discharged chaotically as the Krotons collapse, filling the chamber with toxic fumes and contributing to the urgency of the escape.
Krotons' Dynatrope Power Sphere

The Dynatrope's power tank is the vulnerable component targeted by Zoe's sabotage. As she pours the sulphuric acid into it, the tank bubbles violently, triggering a chain reaction that dissolves the crystalline Krotons and destabilizes the machine. The tank's vulnerability is exploited by the companions, turning the Krotons' own power source against them. Its destruction is a direct result of Zoe's quick thinking and the Gonds' provision of the acid, leading to the Krotons' downfall.

Before: Containing the Krotons' power source, stable but critical …
After: Reacting violently with the sulphuric acid, dissolving the …
Before: Containing the Krotons' power source, stable but critical to their escape plans.
After: Reacting violently with the sulphuric acid, dissolving the Krotons and causing the Dynatrope to melt down.

Location Details

Places and their significance in this event

1
Dynatrope Interior (Control Room)

The Dynatrope Control Room is the battleground for this high-stakes sabotage and escape. Cramped and filled with pipes and cables, it becomes a claustrophobic space as the Krotons hunch over their consoles, monitoring the transfer process. The room's atmosphere shifts from tense control to chaotic dissolution as Zoe pours the sulphuric acid, triggering the Krotons' collapse and the release of toxic fumes. The location's confined space amplifies the urgency of the Doctor and Zoe's escape, making every second critical as they navigate the dissolving machine and fleeing Krotons.

Atmosphere Tense and oppressive initially, shifting to chaotic and toxic as the Dynatrope dissolves and fumes …
Function Battleground for sabotage and escape, where the Doctor and Zoe execute their plan to dismantle …
Symbolism Represents the heart of the Krotons' control and the Gonds' oppression, as well as the …
Access Restricted to the Krotons and their captives (the Doctor and Zoe), heavily guarded by the …
Cramped and filled with pipes and cables, creating a claustrophobic atmosphere. Surveillance consoles monitored by the Krotons, indicating their focus on control and surveillance. Toxic fumes filling the air as the Dynatrope dissolves, forcing the Doctor and Zoe to flee. The Dynatrope's power tank, the target of Zoe's sabotage, bubbling violently as the acid reacts.

Organizations Involved

Institutional presence and influence

1
Krotons

The Krotons, as a collective crystalline organization, are represented through their leaders Kroton and Kroton 2, who oversee the Dynatrope's transfer process. Their authority crumbles as Zoe's sabotage triggers the dissolution of their forms and the machine's collapse. The organization's power dynamics shift from control to desperation as the companions' defiance turns the tide. The Krotons' influence mechanisms—ruthless enforcement of protocols and lethal gas weapons—are rendered ineffective by the sulphuric acid, symbolizing their downfall and the Gonds' liberation.

Representation Through Kroton and Kroton 2, who oversee the Dynatrope's transfer and enforce demands on the …
Power Dynamics Exercising authority over the Doctor and Zoe initially, but challenged and ultimately dismantled by their …
Impact The Krotons' collapse in this event marks the end of their dominance over the Gonds …
Internal Dynamics Hierarchical and protocol-bound, with Kroton as the primary leader and Kroton 2 as his subordinate. …
Complete the Dynatrope transfer to escape the planet and avoid destruction. Maintain control over the Doctor and Zoe to ensure their compliance with the transfer process. Ruthless enforcement of protocols and threats of dispersal (death). Use of the Dynatrope's transfer headsets to monitor and control the companions. Deployment of gas weapons to suppress resistance and maintain order.

Narrative Connections

How this event relates to others in the story

What led here 1

"Selris is killed after delivering the acid; Zoe then pours it into the Krotons' tank."

Selris dies delivering acid to the Doctor
S6E22 · The Krotons Part 4
What this causes 3

"Zoe pours acid into the tank in the Dynatrope control room, and Jamie and Beta pour acid in the Learning Hall, so the Krotons are defeated with the doctor and Zoe escaping."

Gonds Destroy Krotons' Power Source
S6E22 · The Krotons Part 4

"Zoe pours acid into the tank in the Dynatrope control room, and Jamie and Beta pour acid in the Learning Hall, so the Krotons are defeated with the doctor and Zoe escaping."

Thara Claims Leadership Amid Lingering Threats
S6E22 · The Krotons Part 4

"Zoe pours acid into the tank in the Dynatrope control room, and Jamie and Beta pour acid in the Learning Hall, so the Krotons are defeated with the doctor and Zoe escaping."

Beta’s Lost Mentorship Opportunity
S6E22 · The Krotons Part 4

Key Dialogue

"KROTON: Put on the head sets."
"DOCTOR: Oh well, I suppose we'd better just take your word for it then."
"DOCTOR: (They put on the headsets and then the Krotons start burbling and falling over.) Well, it's your fault. You're making me nervous."
"DOCTOR: Yes, we must get out of here. Look, Zoe. The machine is melting. Come on, let's get out of here before we're trapped."