Maitland Reveals the Sensorites' Threat

The Doctor and his companions discover a derelict spaceship filled with seemingly dead crew members, only for Ian to revive Carol using futuristic technology. Maitland, the other survivor, explains that they were not dead but in a deep sleep induced by the Sensorites—alien beings that enforce mental domination and prevent escape from the ship. The Sensorites' influence is revealed as a subtle but insidious threat, capable of controlling minds and sabotaging the TARDIS. Maitland warns the Doctor and his companions to leave immediately, as the Sensorites have already begun interfering with their escape. The revelation escalates the central conflict, forcing the Doctor to confront an unseen, manipulative force that threatens their freedom and survival. The tension peaks as the Sensorites steal the TARDIS lock, trapping the group aboard the alien ship and raising the stakes for uncovering the truth before falling under the Sensorites' control.

Plot Beats

The narrative micro-steps within this event

2

Maitland and Carol reveal they are from 28th-century Earth and urgently warn the travelers of danger, setting up the central conflict with the Sensorites and establishing the travelers' need to leave urgently.

curiosity to warning

Maitland explains that the Sensorites, from the Sense Sphere, prevent them from leaving the area and exert some kind of mental influence over them, characterizing the alien threat as subtle yet powerful.

warning to explanation

Who Was There

Characters present in this moment

7

Anxious and empathetic, driven by a need to understand the threat and protect the group.

Barbara expresses unease about the situation, questions Maitland about the danger, and notices the burning smell. She assists in operating the spaceship's controls during the escape attempt, showing empathy for the crew's plight and concern for the group's safety. Her intuition and vigilance contribute to the group's awareness of the escalating threat.

Goals in this moment
  • To uncover the truth behind the Sensorites' influence and the crew's condition.
  • To ensure the group's safety and find a way to escape the spaceship.
Active beliefs
  • The Sensorites' mental control is a hidden danger that requires careful observation and understanding.
  • The group's survival depends on their ability to work together and support each other.
Character traits
Empathetic Intuitive Vigilant Determined Compassionate
Follow Barbara Wright's journey

Urgent and fearful, driven by a need to warn the group and escape the Sensorites' control.

Carol is revived by Maitland using the heart resuscitator and warns the Doctor and companions about the Sensorites. She assists in piloting the spaceship, expressing urgency about the danger and the need to leave. Her determination and fear drive the group to act quickly and decisively.

Goals in this moment
  • To warn the Doctor and companions about the Sensorites' threat and the need to leave immediately.
  • To assist in piloting the spaceship and escaping the Sensorites' influence.
Active beliefs
  • The Sensorites' mental control is a powerful and insidious threat that must be avoided at all costs.
  • The group's survival depends on their ability to escape the spaceship and the Sensorites' control.
Character traits
Urgent Fearful Determined Knowledgeable Protective
Follow Carol Richmond's journey

Cautious and alarmed by the unseen threat, but driven by a need to act and protect the group.

Ian assists the Doctor in examining the crew, retrieves the heart resuscitator for Maitland, and questions Maitland about the danger. He helps operate the spaceship's controls during the escape attempt, expressing concern about the burning smell and the TARDIS lock being stolen. His hands-on resourcefulness and protective instincts drive the group toward action.

Goals in this moment
  • To understand the nature of the Sensorites' threat and find a way to counteract it.
  • To ensure the group's escape from the spaceship and the Sensorites' control.
Active beliefs
  • The Sensorites' influence is a tangible danger that requires immediate action and technical problem-solving.
  • The group's survival depends on their ability to work together and adapt to the unknown.
Character traits
Resourceful Protective Curious Pragmatic Alert
Follow Ian Chesterton's journey

Fearful and urgent, driven by a need to warn the group and escape the Sensorites' control.

Maitland is revived by Ian using the heart resuscitator and explains the Sensorites' threat, warning the Doctor and companions to leave immediately. He assists in piloting the spaceship, struggling with the Sensorites' mental influence and expressing powerlessness against them. His urgency and fear drive the group to act quickly.

Goals in this moment
  • To warn the Doctor and companions about the Sensorites' threat and the need to leave immediately.
  • To assist in piloting the spaceship and escaping the Sensorites' influence.
Active beliefs
  • The Sensorites' mental control is a powerful and insidious threat that must be avoided at all costs.
  • The group's survival depends on their ability to escape the spaceship and the Sensorites' control.
Character traits
Urgent Fearful Resigned Knowledgeable Protective
Follow Maitland's journey

Not applicable (alien entity with inscrutable motives).

The Sensorites' alien hand steals the TARDIS lock, sabotaging the group's escape and demonstrating their unseen, manipulative control. Their actions escalate the danger, trapping the group aboard the spaceship and raising the stakes for uncovering the truth before falling under their influence.

Goals in this moment
  • To prevent the group from escaping the spaceship and the Sense Sphere.
  • To enforce their mental control over the crew and any intruders.
Active beliefs
  • Intruders are existential threats that must be contained or controlled.
  • Mental domination is a more effective and sustainable method of control than physical destruction.
Character traits
Manipulative Unseen Hostile Dominating
Follow Sensorite Species …'s journey

Analytical concern masking deep unease about the unseen threat of the Sensorites and the group's trapped situation.

The Doctor examines the seemingly dead crew members, deduces the stopped watches indicate a recent event, and attempts to leave the ship. He later tries to pilot the spaceship away from the Sense Sphere, demonstrating technical expertise in operating the controls. He warns the companions about the danger of the Sensorites and their mental influence, masking his concern with analytical pragmatism.

Goals in this moment
  • To uncover the truth behind the crew's suspended state and the Sensorites' influence.
  • To escape the spaceship and the Sensorites' control, ensuring the safety of his companions.
Active beliefs
  • The Sensorites' mental control is a subtle but insidious threat that must be understood before it can be countered.
  • Non-interference in other people's affairs is a principle, but survival and protection of his group take precedence.
Character traits
Analytical Authoritative Curious Protective Pragmatic
Follow The First …'s journey
John

John is mentioned by Carol as another crew member severely affected by the Sensorites' influence and unable to leave the …

Objects Involved

Significant items in this scene

8
Astronauts' Frozen Wristwatches

The Doctor spots the astronauts' wristwatches on the motionless crew members' wrists, all pointing to around 3 o'clock. Ian checks a pulse nearby while Barbara and Susan voice unease. The synchronized stop marks the exact moment the Sensorites suspended the crew, alerting the Doctor to the recency of the event and the crew's true state. These watches serve as a crucial clue, revealing the timing of the Sensorites' intervention and the crew's suspended animation.

Before: Functioning and displaying the time (around 3 o'clock) …
After: Still stopped at 3 o'clock, serving as a …
Before: Functioning and displaying the time (around 3 o'clock) on the wrists of the suspended crew members.
After: Still stopped at 3 o'clock, serving as a haunting reminder of the Sensorites' intervention and the crew's trapped state.
Deflection Rays Panel

Maitland points to the deflection rays panel on the spaceship's control console, proposing it as a defense against collision with the Sense Sphere. He quickly dismisses its value, labeling it useless against the Sensorites' grip. The Doctor, Ian, Barbara, and Susan stand nearby, eyes fixed on the futile instrument as danger mounts. The panel symbolizes the group's desperate search for solutions and the Sensorites' overwhelming control over the ship's systems.

Before: Active but ineffective against the Sensorites' influence, glowing …
After: Dismissed as useless by Maitland, remaining inactive and …
Before: Active but ineffective against the Sensorites' influence, glowing on the control panel.
After: Dismissed as useless by Maitland, remaining inactive and ineffective.
Maitland's Heart Resuscitator

The heart resuscitator is retrieved by Ian from a metal box in the spaceship's control room at Maitland's direction. Maitland presses it against Carol's chest, triggering a pulsing heartbeat sound that jolts her awake from the Sensorites' induced suspended state. This device is pivotal in revealing that the crew was not dead but trapped in a deep sleep, and it underscores the advanced technology of the 28th century while highlighting the Sensorites' insidious control.

Before: Stored inside a metal box behind a desk …
After: Used to revive Carol, now lying on the …
Before: Stored inside a metal box behind a desk in the control room, unused and inactive.
After: Used to revive Carol, now lying on the control room floor after fulfilling its function.
Maitland's Ship Viewscreen

The viewscreen in the spaceship's control room dominates the forward wall, projecting a massive close-up of the Sense Sphere as the vessel hurtles toward it. The planet fills the entire display, its surface details sharpening into a collision threat. The Doctor, Ian, Susan, Barbara, and Maitland stare at it in alarm as the ship shakes violently. The viewscreen serves as a visual aid, heightening the tension and urgency of the group's escape attempt and the Sensorites' looming threat.

Before: Functioning and displaying the Sense Sphere as the …
After: Temporarily cleared as the ship veers off course, …
Before: Functioning and displaying the Sense Sphere as the ship approaches, filling the screen with a collision threat.
After: Temporarily cleared as the ship veers off course, showing the Sense Sphere receding in the distance.
Panel with Three Lights

Barbara checks the panel with three lights at the Doctor's request inside the spaceship control room. The lights glow in their normal state despite the ship's violent shaking during evasive maneuvers against Sensorite control. The Doctor, Ian, Susan, Barbara, and Maitland observe as the panel serves as a key diagnostic tool, ruling out internal faults and pointing to external interference. This object underscores the group's methodical approach to troubleshooting and their realization of the Sensorites' unseen control.

Before: Functioning normally, with all three lights glowing as …
After: Still functioning normally, confirming the absence of internal …
Before: Functioning normally, with all three lights glowing as expected.
After: Still functioning normally, confirming the absence of internal faults and the presence of external interference.
Spaceship Navigation Console (Parallel Thrust Controls)

Ian and the Doctor grip the port and starboard jet controls in the spaceship's control room, yanking levers for reverse thrust and twisting dials to adjust course amid the ship's uncontrolled hurtle toward the Sense Sphere. Barbara, Susan, and Maitland watch as the mechanisms resist initial efforts, underscoring the ship's malfunction under Sensorite influence. The jet controls are critical in the group's struggle to regain control and escape the Sensorites' trap.

Before: Functional but resistant to manual control due to …
After: Temporarily overridden by the Doctor and Ian, allowing …
Before: Functional but resistant to manual control due to the Sensorites' influence.
After: Temporarily overridden by the Doctor and Ian, allowing the ship to adjust course and escape collision.
Spaceship Velocity Controls (Including Speed Indicator)

Ian leans over the spaceship's control panel and checks the velocity dials and levers marked for velocity. The indicator needle climbs rapidly toward the red danger zone as the ship accelerates uncontrollably. The Doctor watches closely while Barbara, Susan, and Maitland stand nearby, their faces tight with alarm. The velocity controls serve as a critical indicator of the Sensorites' influence and the group's race against time to escape the Sense Sphere.

Before: Functioning but under Sensorite control, with the needle …
After: Temporarily stabilized by the Doctor and Ian, allowing …
Before: Functioning but under Sensorite control, with the needle climbing rapidly toward the red danger zone.
After: Temporarily stabilized by the Doctor and Ian, allowing the ship to escape collision with the Sense Sphere.
TARDIS Lock

The TARDIS lock is stolen by an alien hand, disabling the opening mechanism and trapping the group aboard the spaceship. The Doctor realizes the sabotage as the group attempts to flee, with the door refusing to budge. This act by the Sensorites escalates the danger, preventing escape and raising the stakes for uncovering the truth before falling under their control. The lock's theft symbolizes the Sensorites' unseen, manipulative power and the group's vulnerability.

Before: Attached to the TARDIS door, securing the opening …
After: Stolen by the Sensorites, removed from the TARDIS …
Before: Attached to the TARDIS door, securing the opening mechanism and allowing access to the ship.
After: Stolen by the Sensorites, removed from the TARDIS door, and the opening mechanism permanently locked.

Location Details

Places and their significance in this event

3
Sensorite Ship Control Room

The spaceship control room serves as the central setting for this event, where the Doctor and his companions discover the seemingly dead crew and later attempt to escape the Sensorites' influence. Crew members slump motionless in chairs around control panels and instruments, while Maitland fetches the heart resuscitator to revive Carol amid stunned silence. The Doctor and Ian seize navigation controls—thrust, deflection rays, and stabilizers—as the ship hurtles and shakes toward the Sense Sphere. High-pitched whines pierce the air, and glowing Sensorite lights advance down corridors, turning the hub into a pressure cooker of desperate decisions and frayed nerves.

Atmosphere Tension-filled with whispered conversations, high-pitched whines, and glowing Sensorite lights advancing down corridors. The air …
Function Central hub for the group's discovery of the crew's suspended state, their attempt to escape …
Symbolism Represents the group's trapped situation and the Sensorites' insidious control over both the ship and …
Access Initially accessible but becomes a trap as the Sensorites sabotage the TARDIS lock and take …
Motionless crew members slumped in chairs around control panels High-pitched whines and glowing Sensorite lights advancing down corridors Violent shaking of the ship as it hurtles toward the Sense Sphere Burning smell from the TARDIS lock being stolen by the Sensorites
Sensorites' Planet (Sense Sphere)

The Sense Sphere pulls the Sensorite-controlled spaceship toward collision, its presence driving the crisis as velocity needles spike and the hull shakes violently. The Doctor and Ian override navigation—thrust, deflection rays, and stabilizers—to execute a narrow escape. Carol identifies the planet amid chaos, confirming the Sensorites' mental grip on the ship and crew. The Sense Sphere serves as the ultimate threat, a looming destination that embodies the Sensorites' power and the group's desperate struggle for survival.

Atmosphere Ominous and threatening, with the Sense Sphere filling the viewscreen and the ship shaking violently …
Function The threatening destination toward which the spaceship is being pulled by the Sensorites, embodying their …
Symbolism Represents the Sensorites' power and the group's vulnerability to their mental control. The Sense Sphere …
Access Inaccessible as a physical location, but its pull and the Sensorites' influence make it a …
Massive close-up of the Sense Sphere filling the viewscreen Violent shaking of the ship as it approaches Spiking velocity needle and alarms blaring Doctor and Ian struggling to override the ship's controls
TARDIS Airlock (Derelict Sensorite Vessel - Confined Sub-Location)

The TARDIS exterior, located in the derelict spaceship's airlock, rests as a silent escape promise. The group cannot enter after the Sensorites remove the lock mechanism, stranding them amid the reviving crew and ship alarms. The burning smell of sabotage lingers, and the TARDIS becomes a symbol of their trapped situation and the Sensorites' control. The location highlights the group's frustration and the urgency of their survival imperative.

Atmosphere Frustrating and tense, with the TARDIS door sealed and the group unable to enter. The …
Function The blocked escape route, symbolizing the group's trapped situation and the Sensorites' control over their …
Symbolism Represents the group's frustration and the Sensorites' ability to cut off their escape. The TARDIS …
Access Restricted by the Sensorites' theft of the TARDIS lock and the permanent locking of the …
TARDIS door sealed and locked by the Sensorites Burning smell of sabotage lingering in the airlock Group stranded amid reviving crew and ship alarms

Organizations Involved

Institutional presence and influence

2
28th-Century Human Astronauts

The Human Astronauts (28th Century) crew the derelict spaceship orbiting the Sensorites' planet. Sensorites trap them post-landing, forcing deep sleep that mimics death and imposing mental control to prevent escape. Revived survivors Maitland and Carol warn the Doctor, Ian, Barbara, and Susan of the aliens' mind domination and TARDIS sabotage, positioning the crew as vital informants against their captors. Their plight underscores the Sensorites' power and the group's urgency to escape.

Representation Through the revived crew members, Maitland and Carol, who share critical information about the Sensorites' …
Power Dynamics Operating under constraint, with the Sensorites exerting mental control and preventing escape. The crew's power …
Impact The crew's plight highlights the Sensorites' ability to dominate and control, while their revival and …
Internal Dynamics The crew is divided between those who have been revived (Maitland and Carol) and those …
To survive the Sensorites' mental control and warn the Doctor's group of the danger. To assist in piloting the spaceship and escaping the Sensorites' influence, despite their limited power. Sharing critical information about the Sensorites' threat and the crew's condition. Assisting in piloting the spaceship and using advanced technology (e.g., the heart resuscitator) to revive crew members.
Sensorites

The Sensorites, as an organization, project mental influence to suspend the human crew in a death-like state and sabotage the TARDIS lock, preventing the group's escape. Their actions escalate the danger, trapping the group aboard the spaceship and raising the stakes for uncovering the truth before falling under their control. The Sensorites' influence is subtle but insidious, capable of controlling minds and sabotaging technology, making them a formidable and unseen threat.

Representation Through telekinetic actions (e.g., stealing the TARDIS lock) and mental influence over the crew (e.g., …
Power Dynamics Exercising overwhelming authority over the spaceship, its crew, and the Doctor's group, using mental control …
Impact The Sensorites' actions highlight their ability to exert control over both physical and mental realms, …
Internal Dynamics The Sensorites operate as a collective, with their actions driven by a unified goal of …
To prevent the group from escaping the spaceship and the Sense Sphere. To enforce their mental control over the crew and any intruders, ensuring compliance with their dominance. Telekinetic manipulation of objects (e.g., stealing the TARDIS lock). Mental domination of the crew, inducing suspended animation and psychological control.

Narrative Connections

How this event relates to others in the story

What led here 12

"The TARDIS landing inside the spaceship (beat_f6a912937df1ab65) directly leads to the Doctor and his companions encountering Maitland and Carol, who reveal the threat of the Sensorites (beat_528f0dda5169e468). This is the primary inciting incident that draws the travelers into the central conflict."

Doctor refuses to flee static threat
S1E31 · Strangers in Space

"The TARDIS landing inside the spaceship (beat_f6a912937df1ab65) directly leads to the Doctor and his companions encountering Maitland and Carol, who reveal the threat of the Sensorites (beat_528f0dda5169e468). This is the primary inciting incident that draws the travelers into the central conflict."

Companions reflect on shared history
S1E31 · Strangers in Space

"Maitland explains the Sensorites' mental influence (beat_db60402edcb5fa98), which immediately precedes the Sensorites stealing the TARDIS lock (beat_cccf86006e1a991a). This theft is a direct consequence of the alien threat and traps the travelers, escalating the conflict."

Maitland Revives and Reveals Sensorite Control
S1E31 · Strangers in Space

"Maitland explains the Sensorites' mental influence (beat_db60402edcb5fa98), which immediately precedes the Sensorites stealing the TARDIS lock (beat_cccf86006e1a991a). This theft is a direct consequence of the alien threat and traps the travelers, escalating the conflict."

Maitland Revives Carol with Futuristic Tech
S1E31 · Strangers in Space

"Maitland explains the Sensorites' mental influence (beat_db60402edcb5fa98), which immediately precedes the Sensorites stealing the TARDIS lock (beat_cccf86006e1a991a). This theft is a direct consequence of the alien threat and traps the travelers, escalating the conflict."

Sensorites steal TARDIS lock
S1E31 · Strangers in Space

"Maitland explains the Sensorites' mental influence (beat_db60402edcb5fa98), which immediately precedes the Sensorites stealing the TARDIS lock (beat_cccf86006e1a991a). This theft is a direct consequence of the alien threat and traps the travelers, escalating the conflict."

Doctor and Ian Seize Control to Avoid Disaster
S1E31 · Strangers in Space

"Maitland explains the Sensorites' mental influence (beat_db60402edcb5fa98), which immediately precedes the Sensorites stealing the TARDIS lock (beat_cccf86006e1a991a). This theft is a direct consequence of the alien threat and traps the travelers, escalating the conflict."

Doctor Uncovers Sensorite Mind Control
S1E31 · Strangers in Space

"Maitland and Carol warn of the Sensorites (beat_528f0dda5169e468), and the Doctor begins to understand that the Sensorites have found a way to control their minds (beat_6c72206e6e6d1c62). This demonstrates the Doctor's growing understanding of the alien threat."

Maitland Revives and Reveals Sensorite Control
S1E31 · Strangers in Space

"Maitland and Carol warn of the Sensorites (beat_528f0dda5169e468), and the Doctor begins to understand that the Sensorites have found a way to control their minds (beat_6c72206e6e6d1c62). This demonstrates the Doctor's growing understanding of the alien threat."

Maitland Revives Carol with Futuristic Tech
S1E31 · Strangers in Space

"Maitland and Carol warn of the Sensorites (beat_528f0dda5169e468), and the Doctor begins to understand that the Sensorites have found a way to control their minds (beat_6c72206e6e6d1c62). This demonstrates the Doctor's growing understanding of the alien threat."

Sensorites steal TARDIS lock
S1E31 · Strangers in Space

"Maitland and Carol warn of the Sensorites (beat_528f0dda5169e468), and the Doctor begins to understand that the Sensorites have found a way to control their minds (beat_6c72206e6e6d1c62). This demonstrates the Doctor's growing understanding of the alien threat."

Doctor and Ian Seize Control to Avoid Disaster
S1E31 · Strangers in Space

"Maitland and Carol warn of the Sensorites (beat_528f0dda5169e468), and the Doctor begins to understand that the Sensorites have found a way to control their minds (beat_6c72206e6e6d1c62). This demonstrates the Doctor's growing understanding of the alien threat."

Doctor Uncovers Sensorite Mind Control
S1E31 · Strangers in Space
What this causes 10

"Maitland explains the Sensorites' mental influence (beat_db60402edcb5fa98), which immediately precedes the Sensorites stealing the TARDIS lock (beat_cccf86006e1a991a). This theft is a direct consequence of the alien threat and traps the travelers, escalating the conflict."

Doctor Uncovers Sensorite Mind Control
S1E31 · Strangers in Space

"Maitland explains the Sensorites' mental influence (beat_db60402edcb5fa98), which immediately precedes the Sensorites stealing the TARDIS lock (beat_cccf86006e1a991a). This theft is a direct consequence of the alien threat and traps the travelers, escalating the conflict."

Maitland Revives and Reveals Sensorite Control
S1E31 · Strangers in Space

"Maitland explains the Sensorites' mental influence (beat_db60402edcb5fa98), which immediately precedes the Sensorites stealing the TARDIS lock (beat_cccf86006e1a991a). This theft is a direct consequence of the alien threat and traps the travelers, escalating the conflict."

Maitland Revives Carol with Futuristic Tech
S1E31 · Strangers in Space

"Maitland explains the Sensorites' mental influence (beat_db60402edcb5fa98), which immediately precedes the Sensorites stealing the TARDIS lock (beat_cccf86006e1a991a). This theft is a direct consequence of the alien threat and traps the travelers, escalating the conflict."

Sensorites steal TARDIS lock
S1E31 · Strangers in Space

"Maitland explains the Sensorites' mental influence (beat_db60402edcb5fa98), which immediately precedes the Sensorites stealing the TARDIS lock (beat_cccf86006e1a991a). This theft is a direct consequence of the alien threat and traps the travelers, escalating the conflict."

Doctor and Ian Seize Control to Avoid Disaster
S1E31 · Strangers in Space

"Maitland and Carol warn of the Sensorites (beat_528f0dda5169e468), and the Doctor begins to understand that the Sensorites have found a way to control their minds (beat_6c72206e6e6d1c62). This demonstrates the Doctor's growing understanding of the alien threat."

Maitland Revives and Reveals Sensorite Control
S1E31 · Strangers in Space

"Maitland and Carol warn of the Sensorites (beat_528f0dda5169e468), and the Doctor begins to understand that the Sensorites have found a way to control their minds (beat_6c72206e6e6d1c62). This demonstrates the Doctor's growing understanding of the alien threat."

Maitland Revives Carol with Futuristic Tech
S1E31 · Strangers in Space

"Maitland and Carol warn of the Sensorites (beat_528f0dda5169e468), and the Doctor begins to understand that the Sensorites have found a way to control their minds (beat_6c72206e6e6d1c62). This demonstrates the Doctor's growing understanding of the alien threat."

Sensorites steal TARDIS lock
S1E31 · Strangers in Space

"Maitland and Carol warn of the Sensorites (beat_528f0dda5169e468), and the Doctor begins to understand that the Sensorites have found a way to control their minds (beat_6c72206e6e6d1c62). This demonstrates the Doctor's growing understanding of the alien threat."

Doctor and Ian Seize Control to Avoid Disaster
S1E31 · Strangers in Space

"Maitland and Carol warn of the Sensorites (beat_528f0dda5169e468), and the Doctor begins to understand that the Sensorites have found a way to control their minds (beat_6c72206e6e6d1c62). This demonstrates the Doctor's growing understanding of the alien threat."

Doctor Uncovers Sensorite Mind Control
S1E31 · Strangers in Space

Key Dialogue

"MAITLAND: Out there is a planet we call the Sense Sphere. The creatures on it, the Sensorites, have always prevented us from leaving this area of space. They not only control our craft, they have some influence over us as well. Somehow they have some control over our brains. They are hostile, these Sensorites, but in the strangest possible way. They won't let us leave this area of space yet they don't attempt to kill us."
"DOCTOR: Who else? [referring to the theft of the TARDIS lock]"
"CAROL: The Sensorites! Get back! Get away!"
"MAITLAND: You mustn't delay any longer. The Sensorites may try to prevent you from leaving."