Victoria’s scream becomes the weapon

The Doctor, Jamie, and Victoria return to the Control Hall with a breakthrough: Victoria’s scream—harnessed as a sonic weapon—can destroy the sentient seaweed. Their triumph is immediately overshadowed by Robson’s unexplained absence and Harris’s escalating conflict with Jones over evacuation orders, exposing the crew’s fracturing morale. The Doctor’s plan hinges on amplifying Victoria’s scream through the rig’s pipelines to target the weed’s nerve center, but the crew’s dwindling time and the encroaching seaweed threaten to derail the effort. As the foam bursts into the Control Hall, Harris reluctantly agrees to the Doctor’s half-hour deadline, setting up a desperate race against the spreading weed. The scene pivots from scientific hope to mounting dread, as the Doctor’s solution depends on a missing ally (Robson) and the rig’s leadership collapses under pressure. The tension escalates when Victoria struggles to scream on command, forcing the Doctor to push her emotionally—her scream becomes the key to survival, but the crew’s survival now hangs by a thread as the weed closes in.

Plot Beats

The narrative micro-steps within this event

2

Harris, believing the situation is dire after the oxygen weapon is destroyed, orders an evacuation, but Jones insists on waiting for the Doctor, prompting her to contact the Defence Minister for assistance.

desperation to resolve

The Doctor, Jamie, Victoria and the Chief return, revealing that noise and sound vibrations can kill the weed. Victoria's scream is the key, but the Doctor notes that Robson is missing.

despair to hope

Who Was There

Characters present in this moment

8

Tense and focused, with a undercurrent of worry. He trusts the Doctor but is acutely aware of the danger, especially for Victoria. His movements are sharp and efficient, but his eyes betray a flicker of fear as the foam floods the room.

Jamie assists the Doctor in rigging the magnetized speakers to the pipelines, following instructions with tense focus. He supports Victoria emotionally, urging her to scream despite her reluctance. As the foam bursts in, he helps secure the impeller room door alongside Harris and the Chief, though the door ultimately fails. His loyalty to the Doctor is unwavering, but his uncertainty about the plan’s success is evident in his hesitant support. He moves quickly, his Highlander instincts kicking in as the situation deteriorates.

Goals in this moment
  • Help the Doctor set up the sonic weapon as quickly as possible
  • Keep Victoria safe and encourage her to scream
Active beliefs
  • The Doctor’s plans usually work, but this one feels especially risky
  • Victoria’s safety is his top priority, even amid the chaos
Character traits
Loyal to a fault Practical under pressure Protective of Victoria Quick to act, slow to doubt
Follow Jamie McCrimmon's journey

Anxious and hesitant at first, then terrified as the foam floods in. Her scream is a mix of primal fear and reluctant determination, a turning point where she accepts her unintended role as the crew’s savior.

Victoria is initially reluctant to scream on command, feeling self-conscious and overwhelmed. The Doctor pushes her emotionally, insisting her scream is their only weapon. When the foam bursts into the Control Hall, her fear triggers the scream, which is recorded and amplified. She stands frozen as the crew scrambles around her, her anxiety palpable but her role pivotal. The Doctor’s encouragement gives her the courage to embrace her unintentional power, even as the room descends into chaos.

Goals in this moment
  • Overcome her hesitation to scream, despite feeling silly
  • Trust the Doctor’s judgment that her scream is the solution
Active beliefs
  • Her scream is an embarrassing reflex, not a weapon
  • She must do whatever it takes to help, even if it feels unnatural
Character traits
Reluctant but resourceful Emotionally vulnerable yet resilient Unwittingly heroic Adapting to the moment
Follow Victoria Waterfield's journey

Frustrated and desperate, oscillating between hope and resignation. His voice is sharp with urgency, but his body language betrays exhaustion and the weight of leadership under impossible circumstances.

Harris, the deputy supervisor, is torn between his duty to evacuate the crew and the Doctor’s desperate plan. He argues vehemently for immediate evacuation, citing the encroaching foam and the loss of oxygen. When the Doctor reveals Victoria’s scream as a weapon, Harris reluctantly agrees to a 30-minute deadline, but his faith in the plan wanes as the foam bursts into the Control Hall. He orders the release valves opened and the impeller room door jammed shut, but the door fails, and the weed floods in. His leadership is tested as he balances survival instincts with the Doctor’s scientific gamble.

Goals in this moment
  • Evacuate the crew before the seaweed overruns the compound
  • Honor the Doctor’s request for 30 minutes, despite his skepticism
Active beliefs
  • The seaweed’s spread is unstoppable, and evacuation is the only rational choice
  • The Doctor’s plan is a long shot, but he owes it to his missing wife to try
Character traits
Stubbornly protective Conflict-averse yet decisive Pragmatic to a fault Haunted by personal loss (Maggie’s disappearance)
Follow John Robson's journey

Determined and hopeful, but with an undercurrent of fear. She speaks with authority, but her hands clench as the foam bursts in, and her voice carries a note of urgency. She believes in the Doctor’s plan, but the weight of responsibility is evident.

Jones, the director, advocates for the Doctor’s plan despite Harris’s objections. She contacts Perkins to request a red alert and oxygen tankers, demonstrating her faith in the Doctor’s scientific approach. As the foam floods the Control Hall, she supports the Doctor’s efforts to amplify Victoria’s scream, though her voice wavers with tension. Her leadership is tested as she balances institutional protocol with the crew’s survival, ultimately siding with the Doctor’s gamble over Harris’s evacuation orders.

Goals in this moment
  • Support the Doctor’s plan to amplify Victoria’s scream
  • Ensure the crew has a chance to survive, even if it means defying Harris
Active beliefs
  • The Doctor’s scientific approach is their best hope
  • Evacuation without a fight is a failure of leadership
Character traits
Decisive under pressure Faith in innovation over protocol Protective of the crew Willing to take risks
Follow Jones's journey

Focused and urgent, with a growing sense of dread. He moves with efficiency, but his eyes dart to the encroaching foam, and his voice tightens as the stakes rise. He trusts the Doctor’s plan but is acutely aware of the ticking clock.

Price, the technical supervisor, provides critical support by locating the tape recorder, monitoring the pipeline room, and assisting in rigging the speakers. He records Victoria’s scream with urgency, his hands steady despite the chaos. When the foam bursts in, he follows Harris’s orders to open the release valves, though he hesitates as the Doctor pleads for more time. His cooperation is essential, but his focus is split between technical execution and the looming threat of the seaweed.

Goals in this moment
  • Ensure the tape recorder captures Victoria’s scream clearly
  • Assist in rigging the speakers to the pipelines without delay
Active beliefs
  • The Doctor’s plan is their best chance, but time is running out
  • His technical skills are the crew’s lifeline in this moment
Character traits
Technically precise Cooperative under pressure Adaptable to chaos Dutiful to a fault
Follow Price's journey

Urgent and determined, with a flicker of desperation as the stakes rise. His confidence is unwavering, but the weight of responsibility for the crew’s lives is evident in his sharp, rapid-fire instructions.

The Doctor bursts into the Control Hall with a revelation: Victoria’s scream can destroy the seaweed. He directs the crew to rig magnetized speakers to the pipelines, amplifying her recorded scream into a sonic weapon. His urgency is palpable as he pushes Victoria to scream, knowing it’s their only hope. He warns the crew about the lethal sound waves, coordinating the setup while the foam floods the room. His confidence wavers only slightly as Harris’s skepticism grows, but he remains focused on the plan’s execution, even as the impeller room door fails and the weed surges in.

Goals in this moment
  • Amplify Victoria’s scream through the pipelines to destroy the seaweed’s nerve center
  • Convince Harris to delay evacuation long enough for the plan to work
Active beliefs
  • Victoria’s scream is the key to defeating the seaweed
  • The crew’s survival depends on trusting his scientific improvisation
Character traits
Inventive under pressure Empathetic yet demanding Scientific pragmatism Charismatic leadership Unshaken by chaos
Follow The Second …'s journey
Supporting 2

Urgent and resigned. His voice is sharp with command, but his movements are heavy with the weight of impending doom. He knows the door won’t hold, but he acts anyway, fulfilling his role until the very end.

The Chief Engineer coordinates the crew’s efforts to jam the impeller room door shut, but the door ultimately fails, and the foam floods the Control Hall. He is last seen in the impeller room as the door gives way, his fate implied but not shown. His actions are a desperate attempt to buy time, but the seaweed’s advance is relentless. His leadership in the final moments is a mix of duty and futility, as the crew’s efforts to contain the threat prove insufficient.

Goals in this moment
  • Contain the foam in the impeller room for as long as possible
  • Protect the crew by delaying the seaweed’s advance
Active beliefs
  • The door is their last line of defense, even if it’s futile
  • His duty is to the crew, no matter the cost
Character traits
Dutiful to the end Pragmatic in crisis Loyal to the crew Accepting of inevitable failure
Follow Chief Engineer's journey

Neutral and composed, with a quiet urgency. He speaks calmly into the radio, but his eyes flick to the encroaching foam, and his posture tightens as the situation deteriorates. He is the steady hand in the storm, ensuring the crew’s needs are communicated to higher authorities.

Perkins acts as the liaison, contacting the Defence Minister to request emergency oxygen and a red alert. He follows Jones’s orders without question, his professionalism unwavering even as the Control Hall descends into chaos. Though he is not physically involved in the sonic weapon setup, his actions behind the scenes are crucial for securing external support. His presence is a reminder of the broader institutional stakes, even as the crew’s immediate survival hangs in the balance.

Goals in this moment
  • Secure emergency oxygen and a red alert from the Defence Minister
  • Maintain clear communication between the rig and external authorities
Active beliefs
  • Institutional protocol must be followed, even in a crisis
  • The crew’s survival depends on both internal action and external support
Character traits
Professionally detached Reliable under pressure Institutional mindset Efficient communicator
Follow Harris's journey

Objects Involved

Significant items in this scene

9
Control Hall Pipeline Surveillance Monitor

The pipeline surveillance monitors in the Control Hall provide real-time visuals of the seaweed’s advance, showing the foam surging through the pipelines and tendrils breaching the walls. Harris and the Doctor watch as the infestation spreads, the monitors acting as a ticking clock for their desperate plan. Their feeds are a constant reminder of the threat’s relentless nature, heightening the tension as the crew races to activate the sonic weapon before the Control Hall is overrun.

Before: Displaying live feeds of the pipeline room, showing …
After: Flooded with images of the seaweed’s surge into …
Before: Displaying live feeds of the pipeline room, showing the seaweed’s initial infestation but not yet the full scale of the breach.
After: Flooded with images of the seaweed’s surge into the Control Hall, the monitors now a chaotic tableau of the battle’s final moments.
Control Hall Release Valves

The Control Hall release valves are a point of contention between Harris and the Doctor. Harris orders them opened to evacuate the crew, while the Doctor pleads for more time to activate the sonic weapon. The valves represent the crew’s last resort—if opened, the rig’s integrity is compromised, and the seaweed’s spread accelerates. Their state is a metaphor for the crew’s dilemma: do they fight or flee? The Doctor’s insistence on keeping them closed is a gamble, but one that could save them all.

Before: Closed, maintaining the rig’s pressure but also trapping …
After: Still closed, as Harris reluctantly grants the Doctor …
Before: Closed, maintaining the rig’s pressure but also trapping the crew with the encroaching foam.
After: Still closed, as Harris reluctantly grants the Doctor the 30-minute deadline, though the tension remains high.
Control Hall Sonic Weapon System

The Control Hall amplifiers are essential for boosting Victoria’s recorded scream to lethal levels. Price connects them to the speakers and pipelines, ensuring the sonic wave is powerful enough to penetrate the seaweed’s nerve center. Their setup is frantic, as the foam’s encroachment leaves no time for mistakes. The amplifiers’ success is non-negotiable—they are the difference between a viable weapon and a futile gesture.

Before: Idle in the Control Hall, part of the …
After: Connected to the speakers and pipelines, fully powered, …
Before: Idle in the Control Hall, part of the refinery’s monitoring equipment but not yet activated for this purpose.
After: Connected to the speakers and pipelines, fully powered, and ready to transmit the sonic wave.
EuroSea Rig Feed Lines 1-6

The feed lines (1-6) are critical control points in the rig’s pipeline network. Harris orders them closed sequentially as the seaweed advances, his hands hovering over the switches. The Doctor seizes on these lines to amplify Victoria’s scream, repurposing the rig’s infrastructure into a weapon. Their state is a battleground between evacuation and resistance, with Harris’s orders and the Doctor’s plan clashing over their use. If the lines fail, the sonic weapon fails with them.

Before: Open, part of the rig’s operational flow but …
After: Closed by Harris’s order, but repurposed by the …
Before: Open, part of the rig’s operational flow but vulnerable to the seaweed’s advance.
After: Closed by Harris’s order, but repurposed by the Doctor to transmit Victoria’s scream.
Impeller Room Airlock

The impeller room door is the last physical barrier between the crew and the seaweed’s advance. Harris and the Chief jam it shut, their shoulders straining against the frame as alarms wail. The door’s failure marks a turning point—the foam bursts through, flooding the Control Hall and forcing the crew into their final stand. Its collapse is a symbolic and literal breach, signaling the end of containment and the beginning of the sonic weapon’s activation.

Before: Jammed shut by Harris and the Chief, holding …
After: Burst open by the seaweed’s force, the door …
Before: Jammed shut by Harris and the Chief, holding back the foam but under immense pressure.
After: Burst open by the seaweed’s force, the door lies shattered on the floor as the foam floods the Control Hall.
Magnetised Sonic Weapon System (Control Hall)

The magnetized speakers are the critical tool in the Doctor’s plan, rigged to the pipelines to amplify Victoria’s scream into a sonic weapon. Jamie and Price attach them under the Doctor’s direction, transforming the rig’s infrastructure into a makeshift defense system. Their placement is precise and hurried, as the foam’s encroachment leaves no room for error. The speakers’ success is pivotal—if they fail, the crew’s last hope is lost.

Before: Stored in the Control Hall, unused and unconnected …
After: Attached to the pipelines, connected to the amplifiers, …
Before: Stored in the Control Hall, unused and unconnected to the pipelines.
After: Attached to the pipelines, connected to the amplifiers, and ready to transmit Victoria’s scream as a lethal sonic wave.
Refinery Inbound/Outbound Pipelines (Transport Conduits)

The refinery’s pipelines serve as the conduit for the sonic weapon, carrying Victoria’s amplified scream directly to the seaweed’s nerve center in the Control Rig. The Doctor directs Jamie and Price to rig the speakers to these pipelines, turning the rig’s infrastructure into a weapon. The pipelines’ role is dual: they are both the lifeline of the refinery and the delivery system for the crew’s last stand. Their integrity is crucial—if the foam disrupts them, the plan fails.

Before: Functioning as part of the refinery’s gas transport …
After: Repurposed as a sonic transmission network, with Victoria’s …
Before: Functioning as part of the refinery’s gas transport system, unaffected by the seaweed but vulnerable to its advance.
After: Repurposed as a sonic transmission network, with Victoria’s scream coursing through them to destroy the seaweed’s nerve center.
Refinery Oxygen Stock

The refinery’s oxygen stock is depleted, a critical failure that underscores the crew’s desperation. Harris presses Jones on evacuation while the Doctor rallies for Victoria’s scream test, all aware that the stock’s loss leaves them isolated and vulnerable. The oxygen’s absence is a silent but ever-present threat, amplifying the urgency of the sonic weapon’s success. Without it, the crew’s survival is a race against both the seaweed and asphyxiation.

Before: Depleted by earlier seaweed sabotage, leaving the crew …
After: Still depleted, with no immediate relief in sight, …
Before: Depleted by earlier seaweed sabotage, leaving the crew with dwindling breathable air.
After: Still depleted, with no immediate relief in sight, adding to the crew’s sense of urgency.
Seaweed Intelligence's Suffocating Foam

The suffocating refinery foam is the primary antagonist in this event, bursting through the impeller room door and flooding the Control Hall. It forces the crew into a desperate race against time, as its encroachment threatens to drown the room and overwhelm the sonic weapon setup. The foam’s sudden intrusion triggers Victoria’s scream, which is then recorded and amplified. Its relentless spread symbolizes the seaweed’s intelligence and the crew’s dwindling time, creating a visceral sense of urgency and danger.

Before: Contained within the impeller room, pressing against the …
After: Flooding the Control Hall, forcing the crew to …
Before: Contained within the impeller room, pressing against the jammed door but not yet breached.
After: Flooding the Control Hall, forcing the crew to scramble for safety and accelerating the need to activate the sonic weapon.

Location Details

Places and their significance in this event

4
Central Gas Pipeline System

The pipeline room is the origin of the seaweed’s breach, with monitors in the Control Hall showing its infestation. Harris checks its status amid alarms, confirming the seaweed’s rapid advance. Its pipelines are later repurposed by the Doctor to transmit Victoria’s scream, turning a threat into a weapon. The room’s state—overrun by foam and tendrils—symbolizes the seaweed’s intelligence and the crew’s dwindling time. Its role in the event is dual: it is both the source of the threat and the conduit for the crew’s last hope.

Atmosphere Dark and oppressive, with the seaweed’s tendrils surging through the pipes and foam flooding the …
Function Threat origin and sonic transmission conduit, where the seaweed’s advance is both contained and weaponized.
Symbolism Represents the seaweed’s intelligence and the crew’s desperate repurposing of the rig’s infrastructure for survival.
Access Heavily restricted by the seaweed’s infestation; the room is effectively lost to the crew.
Foam surging through the pipes Seaweed tendrils breaching the walls Alarms wailing as the infestation spreads
Control Hall (Gas Refinery Command Center)

The Control Hall is the heart of the action, where the crew’s fate is decided. It serves as both a strategic hub and a chaotic battleground as the foam bursts in. Harris rallies the Doctor, Victoria, Jamie, and Jones here to plot their survival, while the seaweed’s tendrils smash through doors and monitors. The hall’s atmosphere is one of mounting dread and desperate hope, as the crew’s last stand unfolds. The location’s role shifts from command center to battlefield, with the sonic weapon’s activation marking the turning point between flight and fight.

Atmosphere Tense and claustrophobic, with the crew’s voices rising in urgency and fear. The air is …
Function Command center and battleground, where the crew’s survival is decided.
Symbolism Represents the crew’s defiance in the face of an unstoppable force, as well as the …
Access Restricted to essential personnel; the foam’s encroachment makes movement dangerous.
Flickering monitors displaying the seaweed’s advance Alarms wailing in the background Foam creeping across the floor and consoles The hum of the amplifiers and speakers as they power up
Control Rig Complex

The Control Rig Complex is the epicenter of the crisis, where the Doctor’s plan hinges on the rig’s infrastructure. The Control Hall becomes a battleground as the foam bursts in, and the crew scrambles to rig the sonic weapon. The rig’s pipelines, monitors, and valves are repurposed for survival, turning a place of industrial control into a makeshift war room. The location’s mood is one of desperate urgency, with alarms wailing, foam creeping across consoles, and the crew’s voices rising in tension. It is both a sanctuary and a deathtrap, the last stand for the crew’s survival.

Atmosphere Chaotic and claustrophobic, with alarms blaring, foam creeping across the floor, and the crew’s voices …
Function Battleground and command center, where the crew’s last stand is fought and the sonic weapon …
Symbolism Represents the crew’s defiance in the face of an unstoppable force, as well as the …
Access Restricted to essential personnel only; the foam’s encroachment makes movement dangerous and exits precarious.
Flickering monitors displaying the seaweed’s advance Alarms wailing in the background Foam creeping across the floor and consoles The hum of the amplifiers and speakers as they power up
Helicopter Pad (Control Rig)

The helicopter pad is referenced as the crew’s potential escape route, but it is rendered unusable by the foam’s blanket. The Doctor scans the pad, spotting Robson’s nearby craft as the sole viable option for evacuation. The pad’s state—cluttered and foam-covered—symbolizes the crew’s dwindling options. It is a reminder of the rig’s isolation and the seaweed’s pervasive threat, even as the crew turns inward to fight their last battle in the Control Hall.

Atmosphere Exposed and desolate, with the wind whipping across the metal platform and the foam rendering …
Function Potential escape route, now rendered inaccessible by the seaweed’s advance.
Symbolism Represents the crew’s fading hope for a clean escape, as well as the rig’s vulnerability …
Access Heavily restricted by the foam’s coverage; the primary helicopter is unusable.
Foam blanketing the metal platform The distant roar of the sea and the wind whipping across the pad Robson’s helicopter as the sole viable escape option

Organizations Involved

Institutional presence and influence

2
UK Defence Ministry

The Defence Ministry (UK) is invoked as an external ally, with Jones contacting Perkins to request a red alert and emergency oxygen tankers. Their involvement underscores the rig’s isolation and the crew’s desperation, as they rely on government support to sustain their last stand. The ministry’s role is symbolic—representing the broader institutional response to the crisis—but their actions (or inaction) are not directly shown. Their presence looms over the scene, a reminder that the crew’s fate is not just in their own hands but also tied to external forces beyond their control.

Representation Through Perkins’s communication with the Defence Minister, requesting emergency support.
Power Dynamics Exercising authority as an external power, but their influence is limited by distance and the …
Impact Represents the crew’s reliance on institutional support amid a crisis that threatens not just the …
Provide emergency oxygen and a red alert to aid the rig’s survival Coordinate a broader response to the seaweed threat, if possible Logistical support (oxygen tankers, red alert) Governmental authority (escalating the crisis to national levels)
Rig Crew (Workers)

The Rig Crew is the collective entity whose survival hinges on the Doctor’s plan. Their morale fractures as Harris clashes with Jones over evacuation versus the Doctor’s sonic scream plan. They monitor threats, debate actions, and set desperate deadlines while the foam floods the Control Hall. Their unity is tested, but their collective effort—rigging speakers, shutting doors, and amplifying Victoria’s scream—represents their last stand. The crew’s actions are a microcosm of the larger struggle between human ingenuity and the seaweed’s intelligence.

Representation Through collective action—rigging equipment, following orders, and debating strategy—amid the encroaching threat.
Power Dynamics Exercising authority over their own survival, but constrained by the seaweed’s advance and internal disagreements.
Impact The crew’s actions reflect the broader struggle between human resilience and the seaweed’s intelligence, as …
Internal Dynamics Factional disagreement emerges between Harris (evacuation) and Jones (trust the Doctor), testing the crew’s unity …
Survive the seaweed’s attack by any means necessary Trust the Doctor’s scientific improvisation despite the odds Collective action (rigging the sonic weapon) Chain of command (following Harris and Jones’s orders) Technical expertise (Price’s setup, the Chief’s containment efforts)

Narrative Connections

How this event relates to others in the story

What led here 5

"The foam covering the heli-pad forces the Doctor to find an alternative escape route, leading to the revelation that noise and sound vibrations can kill the weed."

Doctor commandeers Robson’s helicopter
S5E34 · Fury From The Deep Part …

"The discovery of the weed's vulnerability to Victoria's scream leads directly to the Doctor's proposal to amplify it through the pipelines to destroy the weed's nerve center."

Victoria’s scream becomes a weapon
S5E34 · Fury From The Deep Part …

"The discovery of the weed's vulnerability to Victoria's scream leads directly to the Doctor's proposal to amplify it through the pipelines to destroy the weed's nerve center."

Victoria’s scream weaponizes against the weed
S5E34 · Fury From The Deep Part …

"Following the agreement to use Victoria's scream, the Doctor instructs Price and Jamie to prepare for recording and amplifying it."

Victoria’s scream becomes a weapon
S5E34 · Fury From The Deep Part …

"Following the agreement to use Victoria's scream, the Doctor instructs Price and Jamie to prepare for recording and amplifying it."

Victoria’s scream weaponizes against the weed
S5E34 · Fury From The Deep Part …
What this causes 7

"The Doctor sets up the sonic device to channel Victoria's scream, which is then unleashed but initially appears ineffective, creating tension."

Victory and Lingering Fear
S5E34 · Fury From The Deep Part …

"The Doctor sets up the sonic device to channel Victoria's scream, which is then unleashed but initially appears ineffective, creating tension."

False Victory in the Control Hall
S5E34 · Fury From The Deep Part …

"The discovery of the weed's vulnerability to Victoria's scream leads directly to the Doctor's proposal to amplify it through the pipelines to destroy the weed's nerve center."

Victoria’s scream weaponizes against the weed
S5E34 · Fury From The Deep Part …

"The discovery of the weed's vulnerability to Victoria's scream leads directly to the Doctor's proposal to amplify it through the pipelines to destroy the weed's nerve center."

Victoria’s scream becomes a weapon
S5E34 · Fury From The Deep Part …

"The Doctor sets up the sonic device to channel Victoria's scream, which is then unleashed but initially appears ineffective, creating tension."

Sonic weapon repels the weed intelligence
S5E34 · Fury From The Deep Part …

"Following the agreement to use Victoria's scream, the Doctor instructs Price and Jamie to prepare for recording and amplifying it."

Victoria’s scream weaponizes against the weed
S5E34 · Fury From The Deep Part …

"Following the agreement to use Victoria's scream, the Doctor instructs Price and Jamie to prepare for recording and amplifying it."

Victoria’s scream becomes a weapon
S5E34 · Fury From The Deep Part …

Key Dialogue

"HARRIS: It's no good. We won't hear from the Doctor or any of them. We must evacuate the compound."
"DOCTOR: Perhaps I can answer those questions, Mister Harris."
"DOCTOR: Victoria, I want you to scream."
"VICTORIA: I can't. It's silly."
"DOCTOR: Everything depends upon you screaming."
"HARRIS: Open your eyes, Miss Jones. Can't you see what's happening? We're gradually being strangled. I can't risk the lives of these men here any longer."
"DOCTOR: Just a few more minutes, please, Mister Harris. The scream's ready."