Geordi’s disappearance triggers bridge crisis

The bridge crew’s tense investigation into the Tarchannen Three infection is abruptly derailed when Beverly Crusher’s post-surgery update reveals Geordi La Forge has vanished from the Enterprise—despite his successful surgery and no record of transporter or shuttle activity. The revelation triggers a stunned silence, then escalating alarm as Beverly confirms the Computer’s report: Geordi is no longer on board. This forces the senior staff to confront the horrifying possibility that Geordi’s disappearance marks the next stage of the alien transformation, escalating the mission from a medical mystery to an existential threat with personal stakes for the entire crew. The moment pivots the narrative from external threat to internal crisis, compelling immediate action while underscoring the crew’s vulnerability to an enemy they cannot yet see or understand.

Plot Beats

The narrative micro-steps within this event

1

Beverly alerts the bridge concerning Geordi's absence, and the revelation that Geordi is not on board increases bridge's concern and raises questions about his whereabouts.

worry to alarm ['SICKBAY']

Who Was There

Characters present in this moment

7

Controlled alarm—surface calm masking a deepening sense of urgency and protectiveness. Picard’s emotional state is a controlled burn: his concern for Geordi is tempered by the need to maintain order, but the subtext suggests a simmering frustration with the infection’s ability to evade their understanding. There’s also a flicker of guilt—had he missed a warning sign?—but it is quickly subsumed by the need to act.

Picard stands at the center of the bridge’s crisis, his posture rigid with command authority even as the news of Geordi’s disappearance threatens to unravel it. He listens to Beverly’s transmission with a mix of professional detachment and growing unease, his fingers tightening imperceptibly on the armrests of his chair. When the Computer confirms Geordi’s absence, Picard’s voice remains measured, but his pause before responding betrays the weight of the implication. He is the first to grasp that this is not a mere logistical error but a direct assault on his crew—and by extension, his ship. His role as protector is tested; the bridge, once a symbol of Starfleet’s order, now feels like a fragile barrier against an unseen enemy.

Goals in this moment
  • To contain the threat to the *Enterprise* and its crew (prioritizing immediate safety over investigation)
  • To uncover how Geordi vanished (seeking to prevent further disappearances and understand the infection’s mechanism)
Active beliefs
  • That the Tarchannen infection is more sophisticated and adaptive than initially assessed (his strategic mind races to reinterpret the data)
  • That the crew’s unity and trust in Starfleet protocols will be critical to overcoming this crisis (he relies on their cohesion)
Character traits
Command presence under pressure (his composed demeanor masks the gravity of the situation) Protective instinct toward his crew (Geordi’s disappearance personalizes the threat) Intellectual rigor (he immediately begins reassessing the infection’s nature and the crew’s safety protocols)
Follow Jean-Luc Picard's journey

Analytical concern—Data’s emotional state is one of intellectual frustration. He is not afraid, but he is conflicted—his primary directive is to serve the crew, and Geordi’s disappearance represents a failure in that directive. There’s a flicker of something akin to curiosity (the infection’s method is novel and therefore intriguing), but it is overshadowed by the need to assist. His subtext suggests a determination to understand the mechanism behind the disappearance, even if he cannot yet prevent it.

Data is interrupted mid-analysis by Beverly’s transmission, his fingers pausing over the science station panels as the Computer’s confirmation of Geordi’s absence fills the bridge. His golden eyes flicker with processing speed, reassessing the data in light of this new variable. Data’s role as the ship’s logical anchor is suddenly strained—his inability to detect Geordi’s disappearance suggests a flaw in their understanding of the infection. He stands motionless for a fraction of a second, a rare moment of hesitation for an android, as he recalibrates his approach. The bridge crew looks to him for answers, but for once, Data has none. His pause is not fear, but the recognition that this problem exceeds their current parameters.

Goals in this moment
  • To analyze the Computer’s logs for any anomalies that could explain Geordi’s disappearance (seeking a technical solution)
  • To assist Beverly in determining if Geordi’s transformation follows a detectable pattern (collaborating with medical data)
Active beliefs
  • That the infection’s method of transmission is non-corporeal or energy-based (his sensors failed to detect it, suggesting a novel mechanism)
  • That the crew’s survival depends on his ability to model the infection’s behavior (he sees this as a puzzle to solve)
Character traits
Logical precision (his mind races to reinterpret the data, but the lack of answers is unsettling) Empathy in crisis (he understands the crew’s fear, even if he cannot fully share it) Adaptability (he immediately begins considering alternative hypotheses for Geordi’s disappearance)
Follow Data's journey

Controlled fury—Worf’s emotional state is a smoldering anger, tempered by discipline. He is frustrated by the lack of actionable intelligence (his tactical mind craves data to counter the threat) and personally offended by the idea that an enemy could board the Enterprise undetected. There’s a simmering desire for retribution, but it is channelled into vigilance. His subtext suggests a readiness to defend the ship at any cost, even if it means confronting an enemy they cannot yet see.

Worf stands at the tactical station, his Klingon stoicism barely concealing the tension coiling beneath the surface. His dark eyes narrow as Beverly’s transmission plays out, and his grip on the console tightens imperceptibly when the Computer confirms Geordi’s absence. Worf’s role as the ship’s security officer is suddenly thrust into the forefront—he is the first to consider the possibility of a breach, internal or external. His silence is not passive; it is the quiet of a warrior assessing a threat. The disappearance of a crewmate, especially one as technically skilled as Geordi, is an affront to his sense of order and protection. He is already mentally preparing for the possibility of a fight, whether against the infection or the unknown forces that took Geordi.

Goals in this moment
  • To secure the *Enterprise* from further breaches (enforcing lockdowns, monitoring transporter logs, and preparing defensive measures)
  • To track down Geordi’s last known location (using tactical sensors and away team protocols)
Active beliefs
  • That the infection is a cowardly enemy, striking from the shadows (his Klingon honor is offended by its stealth)
  • That the crew’s safety depends on his ability to anticipate and neutralize the threat (he takes Geordi’s disappearance as a challenge to his competence)
Character traits
Protective instinct (his role as security officer is activated by the threat to the crew) Stoic under pressure (his exterior remains composed, but his internal alertness is heightened) Loyalty to the crew (Geordi’s disappearance is a personal failure in his eyes, as security chief)
Follow Worf's journey

Alert frustration—Riker’s emotional state is a mix of professional urgency and personal concern. He is annoyed by the lack of clarity (his initial question to Data about progress is left unanswered), but the disappearance of Geordi—a friend and colleague—adds a layer of unease. There’s a simmering anger at the infection’s ability to evade their sensors and protocols, but it is channelled into action. His subtext suggests a determination to not let this threat spread further.

Riker is the bridge’s tactical linchpin during the crisis, his body language shifting from casual inquiry to heightened alertness as Beverly’s transmission unfolds. He stands near Data at the science station, his hands resting on the console as he listens to the Computer’s confirmation of Geordi’s absence. His alertness sharpens into alarm; his posture stiffens, and his gaze flicks between Picard, Data, and the viewscreen, assessing the threat. Riker’s role as second-in-command kicks into high gear—he is already mentally cataloging response options, from quarantine protocols to away team deployments. The disappearance of a senior officer like Geordi is a direct challenge to his ability to protect the crew, and his frustration at the lack of answers is palpable.

Goals in this moment
  • To implement immediate containment measures (quarantine, sensor sweeps, transporter locks)
  • To lead a response team to locate Geordi (assuming he is still recoverable)
Active beliefs
  • That the infection’s method of transmission is still unknown and therefore uncontrollable (his tactical mind races to fill the gaps)
  • That the crew’s trust in Starfleet’s technology has been compromised (he questions whether their tools are sufficient)
Character traits
Tactical decisiveness (he immediately begins planning a response, even as the situation unfolds) Loyalty to the crew (Geordi’s disappearance is a personal blow, reinforcing his protective instincts) Adaptability under pressure (he shifts from investigation mode to crisis management seamlessly)
Follow William Riker's journey

Absent but implied to be in a state of existential disorientation—either already transformed or trapped in a liminal space between human and alien, his consciousness potentially aware of the crew’s panic but unable to communicate. The crew’s fear projects onto him as a victim, but the subtext suggests he may be the first casualty of a transformation they cannot yet comprehend.

Geordi La Forge is the absent focal point of this event, his disappearance driving the entire sequence. Though physically absent, his presence looms over the bridge crew like a specter. The revelation of his vanishing—confirmed by the Computer’s detached voice—triggers a collective shockwave. Geordi’s role as the crew’s technical anchor and Susanna’s partner in the Tarchannen mission makes his loss personal and professionally devastating. His absence is not just a logistical puzzle but a harbinger of the alien infection’s insidious reach, now targeting the Enterprise itself.

Goals in this moment
  • To survive the parasitic transformation (if still conscious and human)
  • To find a way to communicate his predicament to the crew (if aware but trapped)
Active beliefs
  • That the Tarchannen infection is more advanced than initially believed (implied by his disappearance despite successful surgery on Susanna)
  • That the crew’s technical and medical protocols are insufficient to counter this threat (his vanishing exposes this gap)
Character traits
Technical reliability (his disappearance undermines this trait, exposing the crew’s vulnerability) Loyalty to Susanna (his vanishing heightens the stakes of her survival and the mission’s urgency) Resilience under pressure (implied by his past, now tested by an unseen enemy)
Follow Geordi La …'s journey

Exhausted alarm—Beverly’s emotional state is a mix of physical fatigue (from the surgery) and emotional shock. She is terrified for Geordi, not just as a colleague but as a friend. Her voice betrays a flicker of guilt—had she missed something during Susanna’s procedure that could have warned her about Geordi’s fate?—but it is quickly overshadowed by the need to act. There’s a desperate hope that Geordi is still recoverable, but the subtext suggests she fears the worst: that he is already lost to the transformation.

Beverly Crusher is the emotional core of this event, her voice carrying the weight of exhaustion and alarm as she delivers the news from Sickbay. She stands over Susanna’s biobed, her surgical gloves still on, her face lined with strain from the procedure. When Geordi does not respond to her hail, her confusion turns to disbelief, then dread as the Computer confirms his absence. Her role as chief medical officer is suddenly expanded—she is not just treating the infected, but confronting the possibility that the infection has already claimed one of her closest colleagues. The bridge crew’s stunned silence is a mirror of her own shock. Beverly’s voice wavers between professionalism and personal fear, her question to the bridge—‘Is that correct?’—hanging in the air like a plea for reassurance.

Goals in this moment
  • To determine if Geordi’s disappearance is linked to Susanna’s infection (seeking a medical explanation)
  • To prepare Sickbay for potential additional cases (quarantine protocols, emergency beams, and diagnostic scans)
Active beliefs
  • That the infection’s timeline is accelerating (Geordi’s disappearance suggests it is no longer contained to Tarchannen Three)
  • That the crew’s medical protocols are insufficient to counter this threat (her exhaustion reflects this frustration)
Character traits
Medical precision (her initial report on Susanna’s surgery is clinical, but her concern for Geordi is deeply personal) Empathy under pressure (she feels the crew’s fear as her own, amplifying the emotional stakes) Resilience in crisis (she pushes through her exhaustion to address the new threat)
Follow Graham's journey
Supporting 1

Controlled anxiety—Graham’s emotional state is one of controlled fear. He is not panicked, but the disappearance of Geordi—a respected officer—hits close to home. There’s a flicker of doubt: Could the infection be aboard the ship already?—but it is quickly suppressed by his training. His subtext suggests a readiness to follow orders, no matter how dire, and a quiet resolve to protect his crewmates.

Ensign Graham stands at the helm, his posture rigid with tension as Beverly’s transmission plays out. His hands hover over the console, ready to execute any order Picard or Riker might give, but the bridge is frozen in stunned silence. Graham’s role as a junior officer is suddenly thrust into the spotlight—he is a witness to the crew’s vulnerability, and his alertness is heightened by the unspoken question: Could this happen to any of us? His silence is not passive; it is the quiet of someone bracing for the next order, whatever it may be. The disappearance of a senior officer like Geordi is a stark reminder of the stakes, and Graham’s subtext suggests a determination to not let the crew down in the crisis to come.

Goals in this moment
  • To execute any navigational or tactical orders without hesitation (maintaining the ship’s operational readiness)
  • To monitor for any unusual sensor readings that could indicate the infection’s presence (vigilance at the helm)
Active beliefs
  • That the crew’s unity will be critical to surviving this crisis (he looks to Picard and Riker for leadership)
  • That the *Enterprise*’s systems may already be compromised (his vigilance at the helm reflects this fear)
Character traits
Professionalism under pressure (he remains at his post, ready to act despite the shock) Awareness of hierarchy (he defers to Picard and Riker, but his internal alertness is high) Loyalty to the crew (Geordi’s disappearance personalizes the threat for him)
Follow Beverly Crusher's journey

Objects Involved

Significant items in this scene

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Bridge and Sickbay Com System

The Bridge and Sickbay Com System is the narrative engine of this event, its chirping hail the first sign of impending disaster. Beverly’s voice, strained from surgery, delivers the initial update on Susanna’s condition, but the system’s true role emerges when she attempts to contact Geordi. The com system’s failure to connect—followed by the Computer’s clinical confirmation of his absence—transforms it from a routine communication tool into a harbinger of doom. The object’s audio cues (the chirp, the static, the Computer’s voice) create a soundscape of dread, forcing the bridge crew to confront the reality of Geordi’s disappearance in real time. Its involvement is not just functional but dramatic—it turns a medical update into a crisis, and a bridge into a battleground.

Before: Functional and unremarkable—transmitting standard medical and bridge communications, …
After: A conduit of alarm—its transmission of the Computer’s …
Before: Functional and unremarkable—transmitting standard medical and bridge communications, its presence unnoticed until Beverly’s hail to Geordi fails.
After: A conduit of alarm—its transmission of the Computer’s confirmation leaves the bridge in stunned silence, its role shifting from mundane tool to instrument of revelation.
Enterprise Bridge Science Station Panels

The Enterprise Bridge Science Station Panels are the bridge crew’s failed lifeline in this event, their frozen displays a visual metaphor for the crew’s helplessness. Data taps the controls mid-analysis, seeking answers to the Tarchannen infection, but the panels offer no progress—only stalled data and unanswered questions. When Beverly’s com transmission interrupts, the crew turns to the panels as if they might provide a solution, but they remain silent, their screens glowing with useless information. The panels’ inability to detect Geordi’s disappearance underscores the crew’s vulnerability: their most advanced tools are useless against this enemy. The object’s role is symbolic as much as functional—it represents the crew’s frustration with the unknown, their reliance on technology that has suddenly failed them.

Before: Active but unproductive—Data is running analyses, but the …
After: Frozen in failure—the panels remain stalled, their displays …
Before: Active but unproductive—Data is running analyses, but the panels yield no actionable intelligence, leaving the crew frustrated.
After: Frozen in failure—the panels remain stalled, their displays a silent testament to the crew’s inability to comprehend the threat. The crew’s gaze lingers on them, a visual cue of their collective helplessness.
Main Bridge Com System

The Main Bridge Com System serves as the narrative linchpin of this event, transmitting Beverly Crusher’s voice from Sickbay in a chilling cascade of revelations. It begins as a routine medical update—Beverly’s exhausted but hopeful report on Susanna’s surgery—but quickly devolves into a crisis as her attempt to hail Geordi is met with silence. The com system’s clinical chirp contrasts sharply with the growing alarm in Beverly’s voice, amplifying the tension. When the Computer confirms Geordi’s absence, the com system becomes a conduit for the crew’s collective dread, its static-filled silence hanging in the air like a verdict. The object’s role is not just functional (transmitting data) but emotional—it forces the bridge crew to confront the reality of Geordi’s disappearance in real time, making the threat tangible.

Before: Operational and routine—transmitting standard medical updates and bridge …
After: A focal point of the crew’s alarm—its transmission …
Before: Operational and routine—transmitting standard medical updates and bridge communications, its presence unremarkable until Beverly’s hail to Geordi fails.
After: A focal point of the crew’s alarm—its transmission of the Computer’s confirmation of Geordi’s absence leaves the bridge in stunned silence, its role shifting from mundane tool to harbinger of crisis.
USS Enterprise Main Computer

The Enterprise Computer is the cold, unfeeling voice of truth in this event, its detached confirmation of Geordi’s absence sending a chill through the bridge. When Beverly queries it—‘Computer, locate Commander La Forge’—its response (‘Commander La Forge is not on board the Enterprise’.) is clinical, almost indifferent, to the horror it unleashes. The Computer’s role is not just informational but emotionally devastating—it strips away the crew’s denial, forcing them to accept the impossible. Its voice, devoid of inflection, contrasts sharply with the growing panic in Beverly’s tone, amplifying the dissonance. The object’s involvement is a masterclass in dramatic irony: the crew’s most advanced tool is the one that delivers the worst news, exposing their fragility in the face of the unknown.

Before: Operational and routine—responding to queries with factual precision, …
After: A catalyst for crisis—its confirmation of Geordi’s absence …
Before: Operational and routine—responding to queries with factual precision, its presence unremarkable until Beverly’s request for Geordi’s location.
After: A catalyst for crisis—its confirmation of Geordi’s absence leaves the bridge in stunned silence, its role shifting from passive information source to active agent of revelation.

Location Details

Places and their significance in this event

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Sickbay (USS Enterprise-D)

Sickbay is the emotional epicenter of this event, where Beverly Crusher’s exhaustion and alarm collide with the sterile efficiency of her medical bay. The biobeds, usually a place of healing, now feel like a battleground as Beverly delivers the news of Geordi’s disappearance. The beeping monitors and dim lighting create a claustrophobic atmosphere, amplifying the weight of her words. Sickbay’s role is not just medical but narrative—it is where the crew’s vulnerability is laid bare, where Beverly’s professionalism cracks under the strain of personal fear. The location’s usual purpose (treatment and recovery) is subverted by the crisis, turning it into a place of dread and unanswered questions. The crew’s absence from Sickbay in this moment (only Beverly and the Computer are present) underscores the isolation of the revelation.

Atmosphere Claustrophobic and tense—the beeping monitors and dim lighting create a sense of urgency, while Beverly’s …
Function Medical hub and crisis nexus—Sickbay is where Beverly treats Susanna and discovers Geordi’s disappearance, making …
Symbolism Represents the crew’s physical and emotional fragility—once a sanctuary, it is now a place of …
Access Restricted to medical staff and patients—only Beverly and Nurse Ogawa (implied) are present, reinforcing the …
The sterile glow of biobed lights, casting long shadows over Beverly’s exhausted face. The beeping of monitors, usually a sign of life, now feels like a countdown to the next disaster. The empty biobeds, a visual reminder of the crew’s vulnerability to the infection.
Tarchannen III Outpost Landscape

The Main Bridge of the Enterprise is the epicenter of this crisis, its usually ordered space suddenly transformed into a pressure cooker of tension. The bridge’s familiar hum of activity—Data at the science station, Riker near the helm, Picard at command—is shattered by Beverly’s com transmission. The crew’s postures stiffen, their gazes locking onto the viewscreen or the science panels as if searching for answers in the static. The bridge’s lighting, typically steady and professional, feels oppressive in this moment, casting long shadows that mirror the crew’s unease. The location’s role is not just practical (the command center) but symbolic—it represents Starfleet’s order, now under siege by an enemy it cannot see. The bridge’s usual efficiency is replaced by a paralyzing silence, the crew frozen between action and disbelief.

Atmosphere Tension-filled with whispered conversations and unspoken dread—the air is thick with the weight of the …
Function Command center and crisis hub—the bridge is where the crew’s response to Geordi’s disappearance is …
Symbolism Represents the fragility of Starfleet’s order—once a symbol of control and safety, the bridge now …
Access Restricted to senior staff only—only Picard, Riker, Data, Worf, and Graham are present, reinforcing the …
The steady glow of LCARS consoles, now casting eerie reflections on the crew’s faces. The hum of the bridge systems, usually reassuring, now feels like a countdown to the next disaster. The forward viewscreen, framing the silent expanse of Tarchannen Three orbit—a visual metaphor for the crew’s helplessness.
Main Bridge (USS Enterprise-D)

The Science Station on the Enterprise bridge is the crew’s failed intellectual anchor in this event, its panels frozen in a moment of helplessness. Data stands before the consoles, his fingers paused mid-analysis as Beverly’s transmission interrupts, and the Computer’s confirmation of Geordi’s absence hangs in the air. The station’s usual role (data analysis and problem-solving) is subverted by the crisis, its screens glowing with useless information. The location’s involvement is symbolic—it represents the crew’s frustration with the unknown, their reliance on technology that has suddenly failed them. The science station’s failure to detect Geordi’s disappearance underscores the crew’s vulnerability, forcing them to confront the limits of their understanding.

Atmosphere Tense and frustrated—the hum of the consoles feels like a taunt, their usual efficiency replaced …
Function Intellectual hub and crisis analysis center—the science station is where Data attempts to uncover the …
Symbolism Represents the crew’s intellectual limits—once a tool of control and understanding, the science station now …
Access Restricted to senior staff—only Data, Picard, Riker, Worf, and Graham are present, reinforcing the crew’s …
The glow of LCARS panels, usually a sign of progress, now feels like a mockery of the crew’s efforts. The silence of the consoles, where Data’s analysis has stalled, a visual cue of the crew’s frustration. The crew’s gazes locked on the screens, searching for answers in the static.

Organizations Involved

Institutional presence and influence

2
Starfleet

Starfleet is the invisible but omnipresent force shaping this event, its protocols and values both a guide and a constraint for the crew. The disappearance of Geordi La Forge—a senior officer and technical expert—is not just a personal tragedy but a failure of Starfleet’s investigative and protective systems. The crew’s reliance on Starfleet’s medical and technical protocols (Beverly’s surgery, Data’s analysis, the Computer’s logs) is suddenly called into question. The organization’s involvement is structural—it provides the framework within which the crew operates, but its limitations are exposed by the crisis. Starfleet’s emphasis on first contact and discovery now feels like a liability, as the crew grapples with an enemy that operates outside their understanding. The organization’s presence is felt in the crew’s adherence to protocol (quarantine, sensor sweeps, transporter locks) even as they question its sufficiency.

Representation Via institutional protocol being followed (the crew’s actions are shaped by Starfleet’s investigative and medical …
Power Dynamics Exercising authority over individuals (the crew’s actions are constrained by Starfleet’s protocols, but they also …
Impact The event exposes the tension between Starfleet’s exploratory mandate and its duty to protect its …
Internal Dynamics The crew’s internal debate over response strategy is emerging—should they withdraw from Tarchannen Three, or …
To contain the Tarchannen infection and prevent further crew disappearances (prioritizing safety over discovery). To uncover the mechanism behind Geordi’s disappearance (seeking to understand the threat before it spreads). Through institutional protocols (quarantine, sensor sweeps, transporter locks). Through the crew’s trust in Starfleet’s medical and technical systems (even as they question their sufficiency).
USS Enterprise (NCC-1701-D)

The USS Enterprise (NCC-1701-D) is the physical and emotional anchor of this event, its systems and crew the battleground for the crisis unfolding. The ship’s usual role as a hub of exploration and discovery is subverted by the infection’s threat, turning it into a fragile sanctuary under siege. The Enterprise’s involvement is multidimensional—it is both the stage for the crew’s response and a character in its own right, its systems (transporters, sensors, computers) failing to detect the enemy within. The ship’s usual efficiency is replaced by a sense of vulnerability, as the crew grapples with the possibility that the infection has already breached their defenses. The Enterprise’s role is not just functional (a vessel for the crew) but symbolic—it represents the crew’s sense of home and safety, now under threat. The ship’s lighting, usually steady and reassuring, feels oppressive in this moment, casting long shadows that mirror the crew’s unease.

Representation Through the collective action of its crew and the activation of its systems (transporters, sensors, …
Power Dynamics Operating under constraint (the crew’s ability to respond is limited by the unknown nature of …
Impact The Enterprise’s role as a symbol of Starfleet’s order is tested, as the crew confronts …
Internal Dynamics The crew’s internal cohesion is both a strength and a point of tension. While they …
To contain the infection and prevent further crew disappearances (prioritizing the safety of the crew above all else). To uncover the mechanism behind Geordi’s disappearance (using the ship’s systems to analyze the data and track his last known location). Through the crew’s coordinated response (Picard’s command, Riker’s tactical decisions, Data’s analysis, Beverly’s medical expertise). Through the ship’s systems (transporters, sensors, computers) as tools for containment and investigation.

Narrative Connections

How this event relates to others in the story

What led here 3
Causal

"Geordi transforming and leaving the ship before Beverly can treat him prompts Beverly to mention this and for a ship-wide search."

Geordi isolates the Tarchannen shadow
S4E18 · Identity Crisis
Causal

"Geordi transforming and leaving the ship before Beverly can treat him prompts Beverly to mention this and for a ship-wide search."

Geordi isolates the shadow’s origin
S4E18 · Identity Crisis
Causal

"Geordi transforming and leaving the ship before Beverly can treat him prompts Beverly to mention this and for a ship-wide search."

Geordi’s transformation begins in the holodeck
S4E18 · Identity Crisis
What this causes 1
Causal

"Geordi's disappearance prompts Beverly to theorize about his camouflage."

Beverly warns of Geordi’s undetectable state
S4E18 · Identity Crisis

Key Dialogue

"BEVERLY'S COM VOICE: "... but it will be a few hours before we know how her regenerative systems are responding... In the meantime, I'd better get Geordi in here.""
"PICARD'S COM VOICE: "Very good, Doctor. Keep us advised.""
"BEVERLY: "Bridge, the Computer says Geordi isn’t on board... ? Is that correct?""