S1E23 · The Screaming Jungle graph

Susan’s Vine Attack and Barbara’s Disappearance

Susan’s escalating paranoia about the jungle’s malevolence reaches a breaking point when she hears an unnatural, screeching sound—one she associates with something evil. While Barbara dismisses her warnings as irrational, Susan’s fear proves justified when a sentient vine suddenly lashes out, wrapping around her ankle and attempting to restrain her. Barbara initially rationalizes the attack as a fallen plant, but Susan’s visceral terror (It was trying to twine all round me!) exposes the jungle’s predatory sentience, a threat the group has thus far underestimated. The incident fractures trust further: Barbara’s condescension (It was just your imagination) contrasts with Susan’s raw, unfiltered panic, while Ian’s absence during the attack underscores the group’s growing fragmentation. The vine’s aggression foreshadows the jungle’s escalating hostility, and Barbara’s subsequent disappearance into a dark tunnel—lured by a grotesque idol—sets up her solo confrontation with the ruins’ deeper dangers. The event serves as a turning point, confirming the jungle’s hostility and forcing the characters to acknowledge that their environment is not just dangerous but actively predatory.

Plot Beats

The narrative micro-steps within this event

1

After Ian, Altos, and Sabetha depart, Susan reflects on recent events before Barbara dismisses Susan's claims of "evil" in the jungle. She moves to find an entry for them, and while relaxing, Susan is suddenly attacked by a living vine--confirming the jungle's active hostility.

calm to terror

Who Was There

Characters present in this moment

5

Skeptical and dismissive of Susan's fears, but with an undercurrent of unease about the archway and tunnel. Her curiosity and impulsiveness override caution, driving her to act alone despite the group's earlier agreement to wait for Ian.

Barbara initially dismisses Susan's warnings about the unnatural sound, attributing it to Susan's imagination. When the sentient vine attacks Susan, Barbara rationalizes it as a fallen branch, refusing to acknowledge the vine's predatory nature despite Susan's insistence. She physically removes the vine with a rock, but her skepticism persists, even as she notices the archway's overgrowth. Her curiosity and impulsiveness drive her to explore the dark tunnel alone, lured by the grotesque idol statue. She ignores Susan's pleas not to proceed, setting herself up for the next phase of danger. Barbara's actions reflect a mix of pragmatism, skepticism, and recklessness, as she prioritizes progress over caution.

Goals in this moment
  • To find the micro-key and progress the mission, even at the risk of personal safety
  • To prove Susan's fears are irrational (by exploring the tunnel alone)
Active beliefs
  • The jungle's dangers are overstated or imagined (until proven otherwise)
  • She can handle the risks alone, as she has in past situations
Character traits
Skeptical Pragmatic Reckless (in pursuit of the key) Condescending (toward Susan's fears) Curious (about the idol statue)
Follow Barbara Wright's journey

Terrified and desperate, oscillating between raw panic and frustrated helplessness as her warnings are dismissed. Her fear is rooted in an instinctive recognition of the jungle's malevolence, which she cannot articulate clearly enough to sway Barbara.

Susan is the first to perceive the jungle's sentience, hearing an unnatural screeching sound that triggers deep, instinctive fear. She reacts with visceral panic when a sentient vine lashes out, wrapping around her ankle and attempting to restrain her. Her screams ('It was alive! A snake crawling all over me!') are met with Barbara's skepticism, which only heightens her distress. Susan's emotional state oscillates between terror and frustration as she tries to convince Barbara of the vine's predatory nature, but her warnings are dismissed as irrational. She ultimately helps Barbara with the archway, though her unease lingers, and she pleads with Barbara not to enter the dark tunnel, foreshadowing the dangers ahead.

Goals in this moment
  • To warn Barbara and the group about the jungle's sentience and danger
  • To prevent Barbara from entering the dark tunnel (foreshadowing her own fear of isolation and danger)
Active beliefs
  • The jungle is alive and predatory, not just a passive environment
  • Her instincts about danger are reliable, even if others dismiss them
Character traits
Intuitive Vulnerable Persuasive (but unheeded) Emotionally reactive Loyal (to the group's safety)
Follow Susan Foreman's journey
Supporting 3
Altos
secondary

Uneasy but focused on the task at hand (finding another entrance). His absence during the vine attack reflects the group's growing disorganization.

Altos is not physically present during the vine attack or Susan's confrontation with Barbara, as he is accompanying Ian and Sabetha in searching the ruins' perimeter for another entrance. His practical and cautious nature is implied in the group's earlier discussion about cutting down the creepers, which he suggests only as a last resort. Altos' absence during this event highlights the group's fragmentation, as key decisions are made without his input.

Goals in this moment
  • To find a safe alternative entrance to the ruins
  • To support Ian's leadership and maintain group cohesion
Active beliefs
  • The jungle's dangers require careful navigation and caution
  • The group's success depends on coordinated effort
Character traits
Practical Cautious Supportive (of Ian's leadership)
Follow Altos's journey

Concerned and frustrated, with a sense of urgency to regain control of the situation. His absence during the vine attack underscores the group's growing fragmentation, and his return marks a shift toward addressing the immediate dangers.

Ian is absent during the vine attack and Susan's confrontation with Barbara, as he is searching the ruins' perimeter with Altos and Sabetha. He returns to find Barbara missing and Susan distressed, immediately taking charge of the situation. His authoritative tone ('Barbara! What are you doing? I told you to wait until we got back.') reflects his protective instincts and frustration with Barbara's impulsiveness. Ian's leadership is tested as he must now address the group's fragmentation and the escalating dangers of the jungle.

Goals in this moment
  • To locate Barbara and ensure her safety
  • To reassert leadership and prevent further reckless actions by the group
Active beliefs
  • The group's safety depends on his guidance and caution
  • Barbara's impulsiveness will lead to danger if unchecked
Character traits
Authoritative Protective Frustrated (with Barbara's impulsiveness) Strategic (prioritizing group safety)
Follow Ian Chesterton's journey
Sabetha
secondary

Uneasy and alert, with a growing sense of the jungle's hostility. Her absence during the vine attack reflects the group's disorganization.

Sabetha is not physically present during the vine attack or Susan's confrontation with Barbara, as she is accompanying Ian and Altos in searching the ruins' perimeter. Her observant nature is implied in her earlier comment about the eerie atmosphere of the place ('This is a dead place'), which foreshadows the jungle's sentience. Sabetha's absence during this event underscores the group's fragmentation, as critical moments unfold without her input.

Goals in this moment
  • To assist in finding a safe entrance to the ruins
  • To contribute to the group's understanding of the environment's dangers
Active beliefs
  • The jungle is not a passive environment but an active threat
  • The group must proceed with caution
Character traits
Observant Uneasy (about the environment) Supportive (of the group's mission)
Follow Sabetha's journey

Objects Involved

Significant items in this scene

3
Sentient Ruins Predatory Vines

The sentient vine is the physical manifestation of the jungle's predatory nature, lashing out from the overgrowth and wrapping around Susan's ankle in a deliberate, aggressive motion. Its unnatural screeching and deliberate movement confirm the jungle's sentience, contradicting Barbara's rationalization that it is merely a fallen branch. The vine's attack serves as a turning point, exposing the environment's hostility and foreshadowing greater dangers ahead. Barbara removes it with a rock, but the incident leaves a lasting impression of the jungle's malevolence.

Before: Coiled within the dense overgrowth of the ruins, …
After: Severed and removed from Susan's ankle by Barbara, …
Before: Coiled within the dense overgrowth of the ruins, dormant but poised to strike.
After: Severed and removed from Susan's ankle by Barbara, but the incident confirms the jungle's predatory sentience.
Barbara's Vine-Smashing Rock

Barbara's defensive rock is a makeshift tool used to pry the sentient vine off Susan's ankle. Its solid strike breaks the vine's grip, freeing Susan and exposing the vine's deliberate aggression. The rock symbolizes Barbara's pragmatic approach to problems—using whatever is at hand to address immediate threats—though her skepticism about the vine's sentience undermines the full significance of the attack. The rock's use marks a shift from verbal dismissal to physical action, highlighting the escalating tension.

Before: Lying on the ground near the ruins' overgrowth, …
After: Used to strike the vine, now discarded as …
Before: Lying on the ground near the ruins' overgrowth, unnoticed until the vine attack.
After: Used to strike the vine, now discarded as the immediate threat is neutralized.
Grotesque Idol Statue in Dark Tunnel

The grotesque idol statue serves as a lure for Barbara, drawing her into the dark tunnel beyond the archway. Its animal face, sunburst hair, and outstretched arms create an eerie, inviting presence that contrasts with the jungle's hostility. Barbara's curiosity about the statue—'It's a big grotesque statue'—foreshadows her solo confrontation with the ruins' deeper dangers. The idol's symbolic significance lies in its role as a deceptive gateway, masking the traps and perils that lie ahead. Susan's pleas for Barbara not to proceed underscore the statue's ominous allure.

Before: Positioned at the end of the dark tunnel, …
After: Examined by Barbara, who is drawn deeper into …
Before: Positioned at the end of the dark tunnel, untouched and inviting.
After: Examined by Barbara, who is drawn deeper into the tunnel, setting the stage for her disappearance.

Location Details

Places and their significance in this event

2
Jungle

The jungle's external presence looms over the event, as its sentient vines lash out from the underbrush, wrapping around Susan's ankle. The jungle's whispers and unnatural sounds create an eerie, predatory atmosphere that contrasts with the ruins' quiet decay. Susan's fear of the jungle is validated by the vine's attack, confirming that the environment is not passive but actively hostile. The jungle's role in this event is to disrupt the group's mission and force them to confront the true nature of their surroundings. Its encroaching tendrils and screeching vines symbolize the inescapable threat they face.

Atmosphere Eerie and predatory, with whispers and unnatural sounds that heighten the group's unease. The jungle's …
Function Active antagonist in the event, manifesting as a sentient, predatory force that disrupts the group's …
Symbolism Represents the unseen, malevolent forces at work on Marinus, where the environment itself is a …
Access No physical barriers, but the jungle's sentience makes it a hostile and unpredictable space.
Dense overgrowth pressing against the ruins Unnatural screeching sounds emanating from the underbrush Sentient vines lashing out from the vegetation Whispers and distant cries of the 'Jungle Victim' (implied)
Vegetation-Overrun Ruins Interior

The ruins' interior serves as the primary setting for this event, where the group's search for the micro-key is interrupted by the sentient vine's attack. The dense vegetation choking the space amplifies the tension, as the jungle's overgrowth is not merely an obstacle but an active threat. The ruins' archway, blocked by thick creepers, becomes a symbolic barrier between safety and danger. Susan's terror and Barbara's skepticism play out against the backdrop of this decaying, predatory environment, where the line between ruin and jungle blurs. The location's atmosphere is one of creeping dread, as the group's fragmentation mirrors the crumbling structure around them.

Atmosphere Tension-filled and oppressive, with a creeping sense of dread. The jungle's whispers and the ruins' …
Function Primary battleground where the group's first confrontation with the jungle's sentience occurs, testing their unity …
Symbolism Represents the erosion of trust and the blurring of boundaries between the group and the …
Access Blocked by thick, sentient creepers and overgrowth, requiring force or caution to navigate.
Dense vegetation choking the interior Unnatural screeching sounds emanating from the jungle Thick creepers forming a tangled barrier at the archway Dark, narrow tunnel leading to the grotesque idol statue

Organizations Involved

Institutional presence and influence

1
Arbitan's Couriers

Arbitan's Couriers are represented indirectly through the group's fragmented efforts to recover the micro-key. The organization's mission—to gather the Keys of Marinus and activate the Conscience machine—drives the group's actions, but their disunity and individual impulses (e.g., Barbara's recklessness, Susan's fear) undermine their effectiveness. The couriers' role as tense allies is highlighted by their absence during the vine attack, as Ian, Altos, and Sabetha search the perimeter while Barbara and Susan confront the jungle's sentience alone. The group's growing fragmentation reflects the challenges of working under Arbitan's directives in a hostile environment.

Representation Via the group's collective (but fractured) efforts to recover the micro-key, with Ian, Altos, and …
Power Dynamics Operating under constraint, as the group's disunity and the jungle's hostility threaten their mission. Arbitan's …
Impact The group's fragmentation underscores the institutional challenges of Arbitan's mission, where external threats and internal …
Internal Dynamics Factional tensions emerge as Barbara acts impulsively, Susan's fears are dismissed, and Ian's leadership is …
To recover the micro-key and progress toward activating the Conscience machine To maintain group cohesion and unity despite the escalating dangers Through the group's shared mission and Arbitan's directives (implied) Via the environmental threats that test their loyalty and resolve

Narrative Connections

How this event relates to others in the story

Within this episode

What this causes 1

"The initial attack by a living vine on Susan escalates to the jungle tendrils pushing through the walls, and later actively attacking Barbara, demonstrating the jungle's growing hostility and the increasing danger they face."

Jungle encroachment and the micro-key breakthrough
S1E23 · The Screaming Jungle

Across episodes

Threads arriving here 13

"The moment Ian attempts to strangle Barbara under alien control (Episode 22) mirrors Susan’s vine attack and accusation of Barbara as irrational in Episode 23 — both episodes feature trusted companions turning hostile due to external manipulation."

Barbara destroys the Morphos' control
S1E22 · The Velvet Web

"Barbara's resilience against the Morphos' illusion (Episode 22) foreshadows her determination to survive and navigate the dangers of the jungle (Episode 23). Her dismissal of Susan's warnings in Episode 23 echoes her earlier resistance to the Morphos' distortions of reality."

Morphoton’s Illusion and Barbara’s Resistance
S1E22 · The Velvet Web

"Barbara's resistance to mind-control and perception of truth in Morphoton (Episode 22) directly informs her skepticism and impatience with Susan's warnings about the jungle's sentience in Episode 23. Her established role as the one who sees beyond illusions carries forward."

Barbara’s Resistance and Desperate Flight
S1E22 · The Velvet Web

"Susan’s traumatic experience with the Morphoton mind-control device (where she was forcibly controlled and subjected to an illusion) directly sets up her subsequent paranoia and fear of an 'evil' presence in the jungle. Her reaction in Episode 23 is a continuation of her distrust of external forces manipulating perception."

Barbara Resists Mind Control
S1E22 · The Velvet Web

"Barbara's role as the sole non-seduced companion in Morphoton evolves into her asserting leadership in the jungle, dismissing Susan's warnings as irrational—mirroring her earlier dismissal of the crew's perceptions under the city's illusion."

Barbara Sees the Truth Alone
S1E22 · The Velvet Web

"Barbara's traumatic experience with the Morphos' brainwashing and subsequent destruction of their parasitic bodies seeds her heightened vigilance and skepticism about unseen influences in Morphoton. This trauma carries into her perception of the jungle in The Screaming Jungle, where she dismisses Susan's warnings as irrational but maintains a grounded pragmatism."

Barbara destroys the Morphos' control
S1E22 · The Velvet Web

"The Morphos’ ruthless plan to replace Sabetha with Susan (Episode 22) escalates in Episode 23 to the jungle’s aggressive physical assault on Barbara—symbolizing that the environment itself is a sentient, hostile force acting against the companions."

Morpho and Altos plan companion exploitation
S1E22 · The Velvet Web

"The Morphos’ order to destroy Barbara for resisting their control foreshadows the jungle’s aggressive assault on her in Episode 23. Both represent external forces trying to eliminate her for perceived threats to their systems."

Morpho orders Barbara’s destruction
S1E22 · The Velvet Web

"The Morphos’ declaration that Barbara must be destroyed for seeing the truth (Episode 22) is immediately followed in Episode 23 by Susan hearing a 'screaming' sound associated with 'evil,' and later, the jungle physically attacking Barbara—narratively continuing the pursuit of the truth-seer."

Morpho orders Barbara’s destruction
S1E22 · The Velvet Web

"Both events involve Barbara's struggle to assert her perception against others' acceptance of a fabricated reality (the illusion of Morphoton vs. Susan's genuine but initially untrusted warning of the vine)."

Morphoton’s Illusion and Barbara’s Resistance
S1E22 · The Velvet Web

"Barbara's resistance to mind control in Morphoton mirrors her later resistance to hallucinatory threats in the jungle. Both scenes feature her as the sole voice of reason amid others succumbing to illusion or fear."

Barbara’s Resistance and Desperate Flight
S1E22 · The Velvet Web

"Susan's paranoia about the jungle's malevolence parallels her earlier skepticism toward Barbara's warnings in Morphoton. Both episodes feature Susan dismissing perceived irrational fears until events force her to confront reality."

Barbara Resists Mind Control
S1E22 · The Velvet Web

"Both episodes feature a character resisting an unseen influence—Susan in Episode 22 resisting Morphoton’s illusion of contentment, and Barbara in Episode 23 resisting the image of safety in the ruins."

Ian’s Distrust and Barbara’s Resistance
S1E22 · The Velvet Web
Threads leading onward 20
Callback medium

"Susan's terrified perception of supernatural evil ('It was alive!') in Episode 23 is echoed by Barbara's recognition of human evil through Ayden's violent interrogation in Episode 25."

Ayden’s Violent Interrogation of Kala
S1E25 · Sentence of Death
Callback medium

"The Doctor's earlier accusation about a 'third man in the room' during the reconstruction (Episode 25) mirrors the tension in Episode 23 where Barbara dismisses Susan's warnings of a 'third force' (the vine) in the jungle."

Ayden’s staged death exposes the Doctor’s deception
S1E25 · Sentence of Death
Callback medium

"Susan's perception of the jungle's sentience and evil (as seen in her vine attack experience) foreshadows her later ability to sense danger in Vasar's hut, where she vocalizes the group's peril (e.g., her mention of Susan and Sabetha being alive in the cave)."

Barbara fights Vasar, Ian arrives with rescue plan
S1E24 · The Snows of Terror

"Barbara's survival instinct during the vine attack (Episode 23) — where she navigates the jungle's booby traps alone — is echoed in Episode 24 when she survives Vasar's trap and confronts him directly."

Ian discovers Vasar’s lethal trap
S1E24 · The Snows of Terror

"Susan’s initial perception of the jungle’s sentience (hearing an 'evil' sound and reacting with panic in Episode 23) foreshadows her heightened alertness and pragmatic leadership under extreme conditions in Episode 24. When she reunites with Barbara and Ian on the rope bridge, her ability to remain observant and vocal (e.g., 'Oh, Barbara!') demonstrates continuity in her capacity to first identify threats and then communicate them clearly to the group, despite her youth."

Vasar severs the rope bridge
S1E24 · The Snows of Terror

"Susan's escalation from fear (jungle vines attacking her) to pragmatic leadership (forcing Sabetha to navigate tunnels) shows her emotional resilience evolving into assertive decision-making."

Susan and Sabetha debate the tunnel escape
S1E24 · The Snows of Terror

"Susan's early fear of the jungle (Episode 23) transitions into her ongoing trait of fear-driven hesitation in Episode 24, where she pleads to turn back in the tunnel despite the need to find the key."

The Tunnel’s Unstable Truths
S1E24 · The Snows of Terror

"Ian's prior experience with Susan's warnings of unseen danger (Episode 23) foreshadows his skepticism and later trust in Altos' warnings about Vasar (Episode 24)."

Ian discovers Altos betrayed in the snow
S1E24 · The Snows of Terror

"Susan’s traumatic encounter with a living vine in Episode 23 emotionally resonates with Ian’s desperate attempts to protect Susan and the group from Vasar’s psychological traps in Episode 24."

Ian Gambles for Warmth and Trust
S1E24 · The Snows of Terror

"Susan's fear of the unknown, first triggered by the 'screaming jungle' in Episode 23, is amplified in Episode 24 by her plea to turn back in the tunnels. The fear escalates from a supernatural threat to a rational survival instinct."

The Tunnel’s Unstable Truths
S1E24 · The Snows of Terror

"Susan’s fear-driven identification of the jungle’s hostile sentience in Episode 23 foreshadows her fear of the tunnel’s unknown dangers in Episode 24. When she pleads in Episode 24, 'Can't we go back?' her earlier assertion that the jungle is 'alive' and malevolent (Episode 23) is rhetorically echoed by her reluctance to proceed further into the tunnel."

The Tunnel’s Unstable Truths
S1E24 · The Snows of Terror

"The tension between Susan’s fear and Barbara’s determination established in the jungle (Susan’s screaming, distrust of environment; Barbara’s pragmatism) continues in the tunnel scenes of E24, where Susan again tries to turn back and Barbara insists on pressing forward."

The Tunnel’s Unstable Truths
S1E24 · The Snows of Terror

"Susan’s initial perception of the jungle’s 'evil' (23) parallels Ian’s experience in the snowfield (24), where the cold and Vasar’s traps represent an equally hostile, sentient environment—both testing the group’s resilience."

Ian and Altos sprint for survival
S1E24 · The Snows of Terror

"Both episodes feature the TARDIS crew confronting hostile, sentient environments that attack them directly. The 'screaming jungle' in Episode 23 is mirrored by the reviving Ice Warriors in Episode 24, both acting as antagonists that must be outwitted to survive."

Guards Awaken, Key Becomes the Prize
S1E24 · The Snows of Terror

"Barbara's rational dismissal of Susan's fear of the sentient jungle (in Episode 23) parallels her confrontation with Vasar in Episode 24, where she refuses to accept his manipulative hospitality and threat, instead trusting her instincts and investigating his motives."

Barbara Confronts Vasar Over Stolen Goods
S1E24 · The Snows of Terror

"Both episodes feature the TARDIS crew being physically threatened and pursued by an animate, hostile environment — vines in E23 and ice/ice warriors in E24. The jungle's attack and the ice warriors' revival both embody the theme of nature or technology turning against intruders to protect a sacred/micro-key."

The Tunnel’s Unstable Truths
S1E24 · The Snows of Terror

"Barbara dismissing Susan’s warning about the jungle’s sentience ('It was just your imagination.') parallels the Doctor later reconstructing the murder to challenge Tarron’s narrative — both reflect skepticism of perceived truths and the cost of dismissal."

Ayden’s staged death exposes the Doctor’s deception
S1E25 · Sentence of Death

"Susan’s paranoia about the jungle’s sentience in Episode 23 parallels Susan’s pragmatic rationality under pressure in Episode 24, as she tries to solve the tunnel escape while Sabetha hesitates."

Susan and Sabetha debate the tunnel escape
S1E24 · The Snows of Terror

"Both events feature Barbara dismissing unsettling perceptions (Susan's jungle sentience vs. Kala's distress) while simultaneously demonstrating her growing observational detachment that will later uncover the conspiracy."

Ayden’s Violent Interrogation of Kala
S1E25 · Sentence of Death

"Susan's fear of the jungle's sentience in Episode 23 is complemented by Vasar's false hospitality masking danger in Episode 24, both demonstrating how characters misinterpret or confront malignant forces."

Vasar's calculated hospitality
S1E24 · The Snows of Terror

Themes This Exemplifies

Thematic resonance and meaning

Part of Larger Arcs

Key Dialogue

"SUSAN: It was alive! A snake crawling all over me!"
"BARBARA: No, no. It must have fallen on you from the trees."
"SUSAN: It didn’t, it didn’t. It’s alive."
"BARBARA: Now stop it, Susan. Stop it."
"SUSAN: It was trying to twine all round me."
"BARBARA: It was just your imagination."
"SUSAN: Oh look, you can move some of these back quite easily."
"BARBARA: (She goes through the archway.) Yes, I thought so."
"SUSAN: What is it?"
"BARBARA [OC]: It’s all right, I can see it now. It’s a big grotesque statue."
"IAN: Barbara! What are you doing? I told you to wait until we got back."