S6E1 · Time's Arrow, Part II graph

Clemens forces standoff at gunpoint

Samuel Clemens escalates his skepticism into a physical confrontation by brandishing a Colt Forty-Five, forcing Picard’s crew into a tense standoff. His threat to expose them as time travelers—coupled with the gun’s implied violence—shifts the dynamic from intellectual debate to physical danger. The moment is interrupted by the sudden arrival of the Alien Doctor and Nurse, who phase in and violently activate Data’s cane, triggering a catastrophic temporal rupture. Data is decapitated in the blast, his head torn from his body, while Guinan is knocked unconscious and Clemens loses control of his weapon. The chaos forces Picard to prioritize Guinan’s safety over immediate pursuit, leaving him stranded in the 19th century as the remaining crew follows the aliens through the closing time rift. Clemens, after a moment of hesitation, impulsively leaps through the rift himself, abandoning his skepticism in favor of direct action. The event marks a brutal turning point: Data’s destruction eliminates a critical ally, Guinan’s injury removes a key temporal guide, and Picard’s isolation raises the stakes for the timeline’s integrity.

Plot Beats

The narrative micro-steps within this event

1

Clemens confronts the crew with a Colt Forty-Five, declaring his intent to expose them as time travelers.

certainty to threat ['cavern']

Who Was There

Characters present in this moment

10

Urgent concern for Guinan mingled with determination to complete the mission despite the loss of Data.

Captain Picard is present in the polarized cavern as the standoff with Clemens escalates. He orders his team to follow the Alien Doctor through the temporal rift, but then stops to attend to the injured Guinan, kneeling beside her and checking her pulse, which ultimately strands him in the 19th century.

Goals in this moment
  • To ensure the away team pursues the Alien Doctor through the rift
  • To protect and tend to the injured Guinan
  • To preserve the timeline and prevent further Devidian predations
Active beliefs
  • That the ophidian weapon may be necessary to destroy the Devidian habitat
  • That his duty as captain requires him to prioritize Guinan's safety even at the cost of his own mobility
Character traits
decisive compassionate strategic
Follow Jean-Luc Picard's journey

Focus and urgency consistent with his android nature, no visible emotion.

Data dives with superhuman speed to intercept the Alien Doctor's activation of the cane, but the temporal rift opens directly in his android body, severing his head from his torso. His head flies off and lands on the cavern floor while the rest of his body vanishes through the rift.

Goals in this moment
  • To physically prevent the Alien Doctor from activating the temporal rift
  • To protect the away team from the rift's destructive effect
Active beliefs
  • That his android physiology allows him to intervene more effectively than biological crew members
  • That stopping the alien device is critical to preventing timeline damage
Character traits
brave quick-acting self-sacrificial
Follow Data's journey

Calculating and indifferent to the chaos and harm they cause.

The Alien Doctor and Nurse phase into the cavern, snatch the cane from Troi, and activate it, creating a blinding temporal rift that decapitates Data and wounds Guinan. The Alien Doctor then plunges through the rift to escape, while the Alien Nurse remains wounded on the ground.

Goals in this moment
  • To activate the temporal rift and escape from the Enterprise crew
  • To continue their neural energy harvesting operations across time
Active beliefs
  • That the Enterprise crew threatens their survival and must be evaded
  • That the temporal rift is their only means of safe egress
Character traits
co-ordinated ruthless determined
Follow Doctor's journey

Defiant and controlling during the standoff, then startled by the rift, followed by sudden determination.

Samuel Clemens brandishes his Colt Forty-Five, threatening the crew with exposure, but the rift's blast knocks the pistol and his watch from his hands. He hesitates for an instant, then dashes forward and jumps through the closing temporal rift, abandining his skeptical posure for direct action.

Goals in this moment
  • To assert control over the time travelers and expose their secret
  • To follow the aliens into the rift to understand the threat
Active beliefs
  • That time travelers are a danger to history and must be stopped
  • That direct, physical action is now required to confront the unknown
Character traits
skeptical courageous impulsive
Follow Samuel Clemens's journey

Unconscious.

Guinan is flung backward by the force of the opening temporal rift, striking her head on a rock outcropping and falling unconscious. She remains inert on the cavern floor as Picard tends to her, removing herself from the active pursuit.

Character traits
vulnerable defenseless in this moment
Follow Guinan's journey
Supporting 5

Focused and urgent, maintaining command composure under duress.

Commander Riker scans the cavern with his tricorder, then immediately follows Picard's order and hurries through the temporal rift with the other senior staff without hesitation.

Goals in this moment
  • To pursue the Alien Doctor and prevent further timeline damage
  • To support the away team's mission
Active beliefs
  • That following the captain's order is paramount in crisis
  • That immediate action is required to stop the Devidians
Character traits
obedient decisive decisive
Follow William Riker's journey

Focused, possibly alarmed, but maintaining composure.

Dr. Crusher uses her tricorder to scan, then hurries through the temporal rift when ordered by Picard, leaving her medical equipment behind.

Goals in this moment
  • To provide medical support to the away team
  • To continue the investigation of the Devidians
Active beliefs
  • That following the captain's order is essential
  • That stopping the aliens is a medical and temporal priority
Character traits
professional dutiful decisive
Follow Beverly Crusher's journey

Alert and concerned but controlled.

Counselor Troi is present scanning the cavern, then follows the away team through the temporal rift as ordered, using her empathic senses to gauge threats.

Goals in this moment
  • To support the away team with her empathic insights
  • To ensure the mission succeeds in stopping the Devidians
Active beliefs
  • That the situation is dire but manageable with teamwork
  • That the aliens must be stopped to protect the timeline
Character traits
composed perceptive dutiful
Follow Deanna Troi's journey

Concentrated and urgent, focused on technical assessment even during chaos.

Geordi uses his VISOR to detect crystalline polarization, notes the cavern acts as a focusing lens, then follows the others through the temporal rift when ordered by Picard.

Goals in this moment
  • To analyze the cavern's properties and find a way to stop the Devidians
  • To keep the away team moving toward the objective
Active beliefs
  • That the cavern's structure is key to the Devidians' time travel
  • That the ophidian weapon may be incompatible but necessary
Character traits
analytical observant decisive
Follow Geordi La …'s journey

In pain and vulnnerable, likely grim resignation.

The Alien Nurse (N.D. Nurse) is wounded during the confrontation and lies on the ground as the Alien Doctor escapes through the rift. She is left behind, unable to follow.

Goals in this moment
  • To survive the encounter
  • To assist the Alien Doctor if possible
Active beliefs
  • That the mission requires sacrifice
  • That the Doctor will continue without her
Character traits
resilient suffering
Follow N.D. Nurse's journey

Objects Involved

Significant items in this scene

11
Geordi La Forge's VISOR with Visual Acuity Transmitter

Geordi La Forge’s VISOR is used to detect crystalline fractures in the cavern walls, confirming that the cavern acts as a space-time distortion lens. When the time rift opens, the VISOR’s readings are likely overwhelmed by the temporal rupture, but it remains a critical tool for Geordi in understanding the cavern’s properties. Its role in this event is to provide scientific insight into the Devidians’ technology and the cavern’s function as a temporal nexus.

Before: Functional and in use by Geordi, detecting crystalline …
After: Likely disrupted by the temporal rupture but still …
Before: Functional and in use by Geordi, detecting crystalline fractures and triolic energy levels in the cavern.
After: Likely disrupted by the temporal rupture but still functional. Carried through the rift by Geordi as he pursues the Alien Doctor.
Data's Tricorder

The Away Team Tricorder is used by Riker and Beverly to scan the cavern for triolic energy levels and control mechanisms. When the time rift opens, the tricorder’s readings are likely disrupted by the temporal rupture, but it remains a critical tool for the crew in their analysis of the cavern’s properties. Its role in this event is to provide scientific data that informs the crew’s understanding of the Devidians’ technology and the cavern’s function as a temporal lens.

Before: Functional and in use by Riker and Beverly, …
After: Likely disrupted by the temporal rupture but still …
Before: Functional and in use by Riker and Beverly, scanning the cavern for triolic energy levels and control mechanisms.
After: Likely disrupted by the temporal rupture but still functional. Carried through the rift by Riker and Beverly as they pursue the Alien Doctor.
Geordi LaForge's Visual Prosthesis

Geordi La Forge’s VISOR is used to detect crystalline fractures in the cavern walls, confirming that the cavern acts as a space-time distortion lens. When the time rift opens, the VISOR’s readings are likely overwhelmed by the temporal rupture, but it remains a critical tool for Geordi in understanding the cavern’s properties. Its role in this event is to provide scientific insight into the Devidians’ technology and the cavern’s function as a temporal nexus.

Before: Functional and in use by Geordi, detecting crystalline …
After: Likely disrupted by the temporal rupture but still …
Before: Functional and in use by Geordi, detecting crystalline fractures and triolic energy levels in the cavern.
After: Likely disrupted by the temporal rupture but still functional. Carried through the rift by Geordi as he pursues the Alien Doctor.
Away Team Tricorders (19th Century San Francisco Mission)

The Away Team Tricorder is used by Riker and Beverly to scan the cavern for triolic energy levels and control mechanisms. When the time rift opens, the tricorder’s readings are likely disrupted by the temporal rupture, but it remains a critical tool for the crew in their analysis of the cavern’s properties. Its role in this event is to provide scientific data that informs the crew’s understanding of the Devidians’ technology and the cavern’s function as a temporal lens.

Before: Functional and in use by Riker and Beverly, …
After: Likely disrupted by the temporal rupture but still …
Before: Functional and in use by Riker and Beverly, scanning the cavern for triolic energy levels and control mechanisms.
After: Likely disrupted by the temporal rupture but still functional. Carried through the rift by Riker and Beverly as they pursue the Alien Doctor.
Data's Severed Head

Data’s Severed Head is torn from his body as the temporal rift opens, sent flying across the cavern floor. It lands with a dull thud, its eyes dim but still functional. Picard lifts it and probes its internals with a rusty nail, attempting to reactivate it. The head becomes a symbol of Data’s sacrifice and the crew’s loss of a critical ally. Its role in this event is to underscore the brutal cost of the Devidians’ escape and the crew’s sudden vulnerability**.

Before: Attached to Data’s body as he dives at …
After: Severed and lying on the cavern floor, its …
Before: Attached to Data’s body as he dives at the Alien Doctor in an attempt to stop the activation of the cane.
After: Severed and lying on the cavern floor, its eyes dim but still functional. Picard lifts it and probes its internals, attempting to reactivate it. The head is later carried back to the Enterprise for further analysis.
Alien Doctor's Cane Carved with Snake’s Head

The Alien Doctor’s Cane Carved with Snake’s Head is a critical object in this event. The Alien Doctor phases into the cavern and snatches it from Troi, activating it to open the time rift. The cane’s activation triggers the catastrophic rupture that decapitates Data and flings the others backward. Its role in this event is central to the Devidians’ escape and the crew’s sudden loss of Data. The cane symbolizes the predatory nature of the Devidians and their ability to manipulate time and space.

Before: Held by Troi, who is scanning the cavern …
After: Activated by the Alien Doctor, it opens the …
Before: Held by Troi, who is scanning the cavern alongside the others. The cane is a disguised time-travel device, its snake-head design hinting at its true function.
After: Activated by the Alien Doctor, it opens the time rift and is carried through the rift as the Doctor escapes. Data’s severed head lies on the cavern floor, a grim reminder of the cane’s destructive power.
Clemens' Colt Forty-Five

Clemens’ Colt Forty-Five is brandished by Clemens to force the crew into a standoff. When the time rift opens, the force of the explosion flings the revolver from his hand, sending it skittering across the cavern floor. Its role in this event is to escalate the tension between Clemens and the crew, symbolizing his skepticism and distrust of their claims. The loss of the gun underscores the sudden and violent disruption caused by the rift’s opening.

Before: Gripped tightly by Clemens, pointed at the crew …
After: Flung from Clemens’ hand by the force of …
Before: Gripped tightly by Clemens, pointed at the crew as he forces them into a standoff. The revolver is a symbol of his authority and control over the situation.
After: Flung from Clemens’ hand by the force of the rift’s opening. Lies unconscious on the cavern floor, a discarded relic of his earlier skepticism.
Devidian Temporal Rift Cane

Data’s Cane is held by Troi when the Alien Doctor phases in and snatches it. The cane is activated, triggering the temporal rupture that decapitates Data and opens the rift. Its role in this event is central to the Devidians’ escape and the crew’s sudden loss of Data. The cane symbolizes the predatory nature of the Devidians and their ability to manipulate time and space. Its activation marks a brutal turning point in the mission, forcing the crew to adapt to the sudden and violent disruption.

Before: Held by Troi, who is scanning the cavern …
After: Activated by the Alien Doctor, it opens the …
Before: Held by Troi, who is scanning the cavern alongside the others. The cane is a disguised time-travel device, its activation a critical moment in the Devidians’ plan.
After: Activated by the Alien Doctor, it opens the time rift and is carried through the rift as the Doctor escapes. Data’s severed head lies on the cavern floor, a grim reminder of the cane’s destructive power.
Samuel Clemens' Watch

Clemens’ Watch is checked repeatedly by Clemens as he urges the crew to move, emphasizing his impatience and control over the situation. When the time rift opens, the force of the explosion flings the watch from his hand, sending it skittering across the cavern floor alongside his revolver. Its role in this event is to symbolize the fragility of human timekeeping in the face of temporal disruption. The loss of the watch underscores the sudden and violent nature of the rift’s opening and Clemens’ transition from skeptic to participant.

Before: Held by Clemens, who checks it repeatedly to …
After: Flung from Clemens’ hand by the force of …
Before: Held by Clemens, who checks it repeatedly to emphasize his control over the situation. The watch is a symbol of his connection to the 19th century and his role as a temporal guardian.
After: Flung from Clemens’ hand by the force of the rift’s opening. Lies unconscious on the cavern floor, a discarded relic of his earlier skepticism.
Temporal Rift in the Polarized Crystalline Cavern

The Cavern Time Rift is a swirling vortex of blinding white light that opens when the Alien Doctor activates Data’s cane. The rift brutally tears Data’s body apart, sending his head flying across the cavern floor, and flings Guinan and Clemens backward. The Alien Doctor, Nurse, Riker, Geordi, Troi, and Beverly dive through the rift in pursuit, while Picard chooses to stay behind with the injured Guinan. The rift’s role in this event is to symbolize the sudden and violent disruption of the timeline and the crew’s mission. Its opening marks a brutal turning point, forcing the crew to adapt to the loss of Data and the separation of Picard and Guinan.

Before: Latent within the cavern’s polarized crystalline structure, waiting …
After: Opened and then collapsed, stranding Picard and Guinan …
Before: Latent within the cavern’s polarized crystalline structure, waiting to be activated by the Devidians’ cane.
After: Opened and then collapsed, stranding Picard and Guinan in the 19th century while the others pursue the Devidians through the rift.
Time Rift Cavern Outcropping

The Cavern Rock Outcropping is struck by Guinan as she is flung backward by the force of the time rift’s opening. She collapses unconscious against the jagged rock, her injury requiring Picard’s immediate attention. The outcropping’s role in this event is to symbolize the sudden and violent nature of the rift’s opening and the crew’s vulnerability. Its presence underscores the danger and unpredictability of the cavern as a temporal nexus.

Before: A jagged protrusion from the cavern wall, part …
After: Guinan lies unconscious against it, her injury a …
Before: A jagged protrusion from the cavern wall, part of the polarized crystalline structure.
After: Guinan lies unconscious against it, her injury a grim reminder of the rift’s destructive power.

Location Details

Places and their significance in this event

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Devidia II Surface (42°7'N, 88°0'E)

The Devidian Cavern serves as the battleground and temporal nexus for this event. Its polarized crystalline walls focus space-time distortions, creating a lens that the Devidians exploit to phase through time. The cavern is dimly lit, with jagged rock outcroppings and a tense, oppressive atmosphere. When the Alien Doctor activates Data’s cane, the rift opens, tearing Data apart and flinging the others backward. The cavern’s role in this event is to amplify the chaos and violence of the temporal rupture, symbolizing the fragility of the timeline and the high stakes of the crew’s mission.

Atmosphere Tension-filled and oppressive, with a sense of impending doom. The dim lighting and jagged crystalline …
Function Battleground and temporal nexus—the cavern’s crystalline structure focuses the space-time distortion, allowing the Devidians to …
Symbolism Represents the fragility of the timeline and the danger of temporal manipulation. The cavern’s unstable …
Access Restricted to those who can navigate its temporal distortions—primarily the Devidians and the Enterprise crew. …
Dim lighting that casts eerie shadows on the crystalline walls. Jagged rock outcroppings that Guinan strikes her head on, knocking her unconscious. A sense of unstable energy, as if the cavern itself is barely containing the temporal rupture.

Organizations Involved

Institutional presence and influence

3
Starfleet

Starfleet is represented in this event through the actions of the Enterprise away team, who operate under Starfleet protocol and tactical training to respond to the Devidians’ escape. Their use of tricorders, phasers, and the VISOR reflects Starfleet’s emphasis on technology and scientific analysis, while their loyalty to Picard and determination to stop the Devidians underscores their commitment to the mission. Starfleet’s involvement in this event is central to the crew’s response to the temporal rupture and their pursuit of the Devidians.

Representation Through institutional protocol—the away team’s actions are guided by Starfleet’s emphasis on technology, tactical training, …
Power Dynamics Exercising authority over the situation—the away team’s actions are driven by their training and technology, …
Impact Starfleet’s involvement in this event raises the stakes for the mission, as the away team …
Internal Dynamics Starfleet operates as a unified institution, with its members trained to respond to crises and …
To pursue the Alien Doctor through the rift and prevent further temporal disruption. To uphold Starfleet’s principles of exploration and diplomacy by ensuring the Devidians’ actions do not harm the timeline. Technology (tricorders, phasers, VISOR—tools used to analyze the cavern and pursue the Devidians). Tactical training (ability to adapt quickly to the chaos of the rift’s opening). Institutional protocol (commitment to Starfleet’s principles and the chain of command).
Devidians

The Devidians are represented in this event by the Alien Doctor and Nurse, who phase into the cavern and activate Data’s cane, triggering the temporal rupture. Their actions are driven by a predatory instinct to survive by harvesting neural energy, and their escape through the rift underscores their desperation and cunning. The Devidians’ involvement in this event is central to the crew’s loss of Data and the separation of Picard and Guinan, forcing the Enterprise crew to adapt to the sudden and violent disruption of their mission.

Representation Through direct action—the Alien Doctor and Nurse phase in, snatch the cane, and activate it, …
Power Dynamics Exercising authority over the situation—the Devidians dictate the terms of the confrontation, using their temporal …
Impact The Devidians’ actions threaten the integrity of the timeline and force the Enterprise crew to …
Internal Dynamics The Devidians operate as a cohesive unit, with the Doctor and Nurse working in tandem …
To activate the cane and open the time rift to escape the cavern. To ensure the survival of their species by continuing their neural harvesting operations. Temporal technology (the cane, which opens the rift and disrupts the crew’s mission). Predatory instincts (willingness to harm others to achieve their goals). Phase-shifting (ability to evade the crew’s phasers and escape through the rift).
USS Enterprise Away Team (19th-Century San Francisco Mission)

The USS Enterprise Away Team is represented in this event by Picard, Riker, Geordi, Troi, and Beverly, who are analyzing the cavern when the time rift opens. Their loyalty to the mission and determination to stop the Devidians drive their actions, but the sudden violence of the rift’s opening forces them to adapt quickly. Picard chooses to stay behind with the injured Guinan, while Riker, Geordi, Troi, and Beverly pursue the Alien Doctor through the rift. Their involvement in this event is central to the crew’s response to the Devidians’ escape and the separation of Picard and Guinan.

Representation Through collective action—the away team works together to analyze the cavern, respond to the rift’s …
Power Dynamics Operating under constraint—the crew is forced to reassess their strategy in the face of the …
Impact The away team’s actions raise the stakes for the mission, as they must now pursue …
Internal Dynamics The away team operates as a unified unit, with each member contributing their unique skills …
To pursue the Alien Doctor through the rift and prevent further temporal disruption. To support Picard’s leadership and ensure the mission’s success, even in the face of sudden and violent disruption. Technology (tricorders, phasers, VISOR—tools used to analyze the cavern and pursue the Devidians). Tactical training (ability to adapt quickly to the chaos of the rift’s opening). Loyalty to Picard (willingness to follow his orders, even when it means separating from him).

Narrative Connections

How this event relates to others in the story

Within this episode

What this causes 1

"Clemens confronts the crew as aliens enter, which results in Data's apparent death."

Data’s decapitation and the cane’s activation
S6E1 · Time's Arrow, Part II

Themes This Exemplifies

Thematic resonance and meaning

Key Dialogue

"CLEMENS: "An event I would most certainly enjoy witnessing...""
"CLEMENS: "Move along... I suspect even time travellers are vulnerable to a Colt Forty-Five.""
"CLEMENS: "Let's go -- I've made a young fellow a promise and I don't want to be late.""