Doctor and Zoe forced into Kroton domain

The Doctor and Zoe, now marked as unwilling test subjects by the Krotons, stand before the crystalline doorway leading to the Dynatrope. Their arrival is the direct result of the Doctor’s defiant override of the Kroton test—his deliberately flawed performance, which paradoxically yielded an abnormally high score, forcing the Krotons to select him alongside Zoe. The moment is charged with tension: Selris delivers the Kroton’s command with grim resignation, while Zoe’s fear is palpable as she realizes the irreversible nature of their selection. The Doctor, ever the protector, refuses to let her face the unknown alone, insisting they enter together. Their dialogue reveals the Doctor’s strategic defiance (his feigned incompetence to manipulate the test) and Zoe’s intellectual vulnerability (her momentary doubt about the Krotons’ benevolence). As Jamie’s desperate cry—too late—echoes behind them, the door seals shut, marking their transition from captives to experimental subjects. The scene underscores the Krotons’ calculated separation of the companions (leaving Jamie behind) and the Doctor’s willingness to sacrifice himself to uncover the truth, even as he masks his unease with forced optimism. The gong’s ominous resonance and Selris’ fatalistic farewell to the Doctor foreshadow the irreversible consequences of their choice.

Plot Beats

The narrative micro-steps within this event

1

After the Doctor's test completion, both he and Zoe are chosen, and despite Selris's somber farewell, they step through the doorway to meet the Krotons, while Jamie arrives too late to stop them.

resignation to foreboding

Who Was There

Characters present in this moment

5

Fearful and uncertain, with a flicker of intellectual doubt about the Krotons’ true nature

Zoe stands beside the Doctor, her fear palpable as she realizes the irreversible nature of their selection as Kroton companions. She initially doubts the Krotons’ benevolence but is shaken by the Doctor’s deliberate sabotage of the test, which forces their dual selection. Her dialogue reveals her intellectual vulnerability and momentary uncertainty, though she reluctantly agrees to enter the Dynatrope with the Doctor. Her emotional state oscillates between fear and resignation, underscored by the gong’s ominous resonance as the door seals shut.

Goals in this moment
  • Survive the Kroton selection process unharmed
  • Rely on the Doctor’s guidance and protection
Active beliefs
  • The Krotons may not be as benevolent as they appear
  • The Doctor’s presence is her only safeguard against the unknown
Character traits
Intellectual vulnerability Momentary doubt about the Krotons’ intentions Reluctant compliance with the Doctor’s leadership Fearful but resilient
Follow Zoe Heriot's journey

Detached and dominant, with a sense of inevitable control over the situation

The Krotons, though not physically present, exert their influence through Selris’ delivery of the message pad and the ominous gong that seals the Doctor and Zoe’s fate. Their selection of the pair as companions is communicated with cold authority, reinforcing their role as unseen but all-powerful controllers. The gong’s resonance symbolizes their irreversible dominion over the Gonds and the trapped travelers, marking the transition from test subjects to experimental subjects.

Goals in this moment
  • Extract the mental energy of high-intelligence individuals (Doctor and Zoe) to solidify their crystalline forms
  • Maintain absolute obedience from the Gonds through fear and ritual
Active beliefs
  • Intellectual superiority justifies their domination of the Gonds
  • Resistance is futile against their technological and psychological control
Character traits
Cold, calculated authority Unseen but all-powerful control Psychological manipulation through ritual (the gong)
Follow Kroton Collective's journey

Feigned optimism masking deep unease and strategic resolve

The Doctor, standing resolutely beside Zoe, deliberately sabotages his performance on the Kroton test by answering questions incorrectly—only to achieve an abnormally high score, forcing the Krotons to select him alongside Zoe. He insists on accompanying her into the Dynatrope, refusing to let her face the unknown alone. His dialogue reveals his strategic defiance (feigned incompetence to manipulate the test) and his protective instincts, though his forced optimism masks deep unease. As the crystalline door seals shut, he reassures Zoe with a mix of curiosity and determination, even as Jamie’s desperate cry echoes behind them.

Goals in this moment
  • Protect Zoe from the Krotons' unknown intentions
  • Uncover the truth behind the Krotons' operations by entering the Dynatrope
Active beliefs
  • The Krotons are inherently malevolent, despite their facade of benevolence
  • Zoe’s safety and well-being are his top priority, even at personal risk
Character traits
Strategic defiance Protective instincts Forced optimism masking unease Curiosity-driven determination Improvisational problem-solving
Follow The Second …'s journey
Supporting 2

Desperate, worried, and confused, with a sense of helpless frustration

Jamie arrives too late to prevent the Doctor and Zoe from stepping through the crystalline doorway into the Dynatrope. His desperate cry—'Doctor! No wait, come back!'—echoes as the door seals shut, leaving him stranded outside. His confusion and worry are palpable as Selris informs him that the Doctor and Zoe are now 'companions of the Krotons.' His physical presence is limited to the threshold of the doorway, his voice the only connection to the trapped pair.

Goals in this moment
  • Prevent the Doctor and Zoe from entering the Dynatrope
  • Find a way to rescue them from the Krotons
Active beliefs
  • The Krotons are a direct threat to his companions’ safety
  • He must act quickly to counter their influence
Character traits
Desperate concern for his companions Frustrated helplessness Loyalty-driven urgency
Follow Jamie McCrimmon's journey

Resigned and grim, with a flicker of personal sorrow for the Doctor’s sacrifice

Selris delivers the Kroton’s command with grim resignation, confirming Zoe’s selection as a companion and later the Doctor’s as well. He retrieves the message pad from the hatch, his actions mechanical and fatalistic. His dialogue reflects his deep-seated obedience to Kroton authority, though his farewell to the Doctor carries a hint of personal sorrow. He stands as a reluctant enforcer of the Krotons’ will, his role underscoring the Gonds’ subjugation.

Goals in this moment
  • Fulfill the Krotons’ commands without resistance
  • Maintain the illusion of Gond compliance to avoid catastrophe
Active beliefs
  • Obedience to the Krotons is the only way to protect his people
  • The Doctor’s defiance is ultimately futile against Kroton power
Character traits
Grim resignation Reluctant obedience to Kroton authority Fatalistic acceptance of the Doctor’s fate
Follow Selris's journey

Objects Involved

Significant items in this scene

5
Crystalline Door to Krotons' Domain

The crystalline doorway to the Krotons’ domain serves as the threshold between the Learning Hall and the Dynatrope. It parts smoothly to admit the Doctor and Zoe after their selection, then seals shut with a grind, blocking Jamie’s frantic entry. The doorway’s organic pulse, detected earlier by the Doctor, confirms the Krotons’ machine is alive. Its role is symbolic (a gateway to the unknown) and functional (a barrier enforcing Kroton control), marking the irreversible transition from test subjects to experimental subjects.

Before: Sealed, pulsing with organic energy, awaiting the next …
After: Open to admit the Doctor and Zoe, then …
Before: Sealed, pulsing with organic energy, awaiting the next selection
After: Open to admit the Doctor and Zoe, then sealed shut, trapping them in the Dynatrope
Kroton Learning Console Cognitive Assessment Headset

The Kroton Learning Console Headset is donned by Zoe during her test, connecting her mind directly to the machine’s challenges. The Doctor later uses it, feigning incompetence to manipulate the test results. The headset’s feedback—circling symbols and flickering needles—reveals the Doctor’s sabotage, yet the machine registers his score as higher than Zoe’s, dooming them both. Its role is critical in the Krotons’ selection process, acting as both a test interface and a tool of mental evaluation.

Before: Attached to the learning console, ready for use …
After: Removed from the Doctor’s head as the gong …
Before: Attached to the learning console, ready for use by test subjects
After: Removed from the Doctor’s head as the gong sounds, its purpose fulfilled in selecting companions
Kroton Learning Hall Test Machine

The Kroton Test Results Needle flickers wildly as it processes the Doctor’s deliberately flawed answers, eventually steadying to point above Zoe’s mark. This abnormal result forces the Krotons to select both the Doctor and Zoe as companions, heightening the tension and marking their irreversible fate. The needle’s movement is a visual representation of the Krotons’ control over the selection process, acting as both a functional indicator and a narrative device to underscore the pair’s doom.

Before: Neutral, awaiting test results from subjects
After: Steadied above Zoe’s mark, confirming the Doctor’s higher …
Before: Neutral, awaiting test results from subjects
After: Steadied above Zoe’s mark, confirming the Doctor’s higher score and their dual selection
Kroton Learning Machines (Test Consoles)

The Kroton Test Activation Button is pressed by the Doctor to trigger the selection process. His deliberate sabotage of the test—answering questions incorrectly—backfires, resulting in a higher score than Zoe’s. The button’s activation sets in motion the Krotons’ selection mechanism, leading to the gong’s ominous resonance and the door’s sealing. Its role is functional (initiating the test) and narrative (a catalyst for the Doctor and Zoe’s forced entry into the Dynatrope).

Before: Ready for activation on the test machine, awaiting …
After: Pressed by the Doctor, triggering the selection process …
Before: Ready for activation on the test machine, awaiting a subject
After: Pressed by the Doctor, triggering the selection process and the gong’s sound
Kroton Message Pad

The Kroton Message Pad is retrieved by Selris from the hatch beside the crystalline door, displaying the Krotons’ command in stark script. It confirms Zoe’s selection as a companion, then updates to include the Doctor, sealing their fate. The pad’s cold authority reinforces the Krotons’ unseen but absolute control, acting as a communication device and a tool of psychological dominance. Its role is to enforce obedience and mark the transition to the next phase of Kroton manipulation.

Before: Stored in the hatch, awaiting activation by Selris
After: Clutched in Selris’ hand, its message delivered, the …
Before: Stored in the hatch, awaiting activation by Selris
After: Clutched in Selris’ hand, its message delivered, the Doctor and Zoe’s selection confirmed

Location Details

Places and their significance in this event

1
Learning Hall (Gond Ceremonial & Educational Chamber)

The Learning Hall serves as the transition zone where the Doctor and Zoe are selected as Kroton companions. Its humming teaching machines and crystalline doorway create a tense, oppressive atmosphere, underscoring the Krotons’ control. The hall’s role is functional (hosting the selection process) and symbolic (a space of forced compliance and irreversible fate). The gong’s resonance and the sealing of the doorway mark the shift from test chamber tension to deeper Kroton domination, heightening the stakes for the companions and Jamie.

Atmosphere Tension-filled with whispered conversations, oppressive hum of machines, and the ominous resonance of the gong
Function Transition zone for Kroton selection and forced entry into the Dynatrope
Symbolism Represents the Gonds’ subjugation and the Krotons’ psychological control over their subjects
Access Restricted to those summoned by the Krotons; Jamie is barred from entry as the door …
Hum of Kroton teaching machines filling the air Crystalline doorway pulsing with organic energy Ominous gong echoing through the hall Selris retrieving the message pad from the hatch

Organizations Involved

Institutional presence and influence

2
Krotons

The Krotons exert their influence through Selris’ delivery of the message pad and the gong’s ominous resonance, which seals the Doctor and Zoe’s fate as companions. Their selection process is communicated with cold authority, reinforcing their role as unseen but all-powerful controllers. The Krotons’ actions are implied through institutional protocol (the message pad) and ritual (the gong), marking the transition from test subjects to experimental subjects and underscoring their dominion over the Gonds.

Representation Through institutional protocol (message pad) and ritual (gong)
Power Dynamics Exercising absolute authority over the Gonds and the selected companions
Impact Reinforces the Krotons’ dominance over the Gonds and the irreversible nature of the companions’ selection
Internal Dynamics Hierarchical and technologically advanced, with a focus on extracting mental energy to sustain their existence
Extract the mental energy of high-intelligence individuals (Doctor and Zoe) to solidify their crystalline forms Maintain absolute obedience from the Gonds through fear and ritual Psychological manipulation via the selection process and the gong’s ritual Technological control through the learning machines and message pad
Gond Indigenous Population

The Gond Society is represented by Selris, who delivers the Krotons’ command with grim resignation. His actions reflect the Gonds’ conditioned role as enforcers of Kroton authority, underscoring their subjugation. The society’s compliance is enforced through fear of Kroton retaliation, as seen in Selris’ fatalistic farewell to the Doctor. Their internal dynamics are marked by obedience to tradition and the suppression of dissent, even as the Doctor’s defiance challenges the system.

Representation Through Selris’ enforcement of Kroton commands and fatalistic farewell
Power Dynamics Operating under Kroton constraint, with limited agency to resist
Impact Reinforces the Gonds’ role as tools of Kroton control, with Selris acting as a reluctant …
Internal Dynamics Hierarchical and tradition-bound, with a focus on survival through passive compliance
Maintain compliance with Kroton commands to avoid catastrophe Enforce the selection of companions as dictated by the Krotons Conditioned obedience to Kroton authority Suppression of dissent through fear of retaliation

Narrative Connections

How this event relates to others in the story

What led here 7

"Zoe's high score on the Kroton machine prompts her selection as a companion, directly leading to the next plot point."

Zoe’s Unwitting Kroton Test
S6E20 · The Krotons Part 2

"The Doctor's completion of the test leading to his selection as a companion, followed by their decision to enter the Dynatrope creates direct cause and effect."

Doctor defies the test to join Zoe
S6E20 · The Krotons Part 2

"The Doctor's completion of the test leading to his selection as a companion, followed by their decision to enter the Dynatrope creates direct cause and effect."

Zoe selected as Kroton companion
S6E20 · The Krotons Part 2

"The selection of Zoe as a companion prompts the Doctor to take the test himself, demonstrating his protectiveness and willingness to sacrifice himself. This reinforces the Doctor's character."

Zoe selected as Kroton companion
S6E20 · The Krotons Part 2

"The selection of Zoe as a companion prompts the Doctor to take the test himself, demonstrating his protectiveness and willingness to sacrifice himself. This reinforces the Doctor's character."

Doctor defies the test to join Zoe
S6E20 · The Krotons Part 2

"Jamie's concern for Vana and interpretation of what happened causes him to call for action and become worried. With the call for action and worry being mirrored when Doctor and Zoe are chosen and step trough to meet the Krotons.."

Vana’s Trauma Reveals Kroton Weapon
S6E20 · The Krotons Part 2

"Jamie's concern for Vana and interpretation of what happened causes him to call for action and become worried. With the call for action and worry being mirrored when Doctor and Zoe are chosen and step trough to meet the Krotons.."

Vana’s Trauma Reveals Kroton Horror
S6E20 · The Krotons Part 2
What this causes 7

"The Doctor's completion of the test leading to his selection as a companion, followed by their decision to enter the Dynatrope creates direct cause and effect."

Doctor defies the test to join Zoe
S6E20 · The Krotons Part 2

"The Doctor's completion of the test leading to his selection as a companion, followed by their decision to enter the Dynatrope creates direct cause and effect."

Zoe selected as Kroton companion
S6E20 · The Krotons Part 2

"Doctor and Zoe stepp trough the doorway to meet the Krotons, directly causing their entrance to the Dynatrope."

Doctor and Zoe trapped in Dynatrope
S6E20 · The Krotons Part 2

"Doctor and Zoe stepp trough the doorway to meet the Krotons, directly causing their entrance to the Dynatrope."

Krotons trap Doctor and Zoe in forcefield
S6E20 · The Krotons Part 2

"The selection of Zoe as a companion prompts the Doctor to take the test himself, demonstrating his protectiveness and willingness to sacrifice himself. This reinforces the Doctor's character."

Doctor defies the test to join Zoe
S6E20 · The Krotons Part 2

"The selection of Zoe as a companion prompts the Doctor to take the test himself, demonstrating his protectiveness and willingness to sacrifice himself. This reinforces the Doctor's character."

Zoe selected as Kroton companion
S6E20 · The Krotons Part 2

"The Doctor and Zoe enters the Dynatrope and Jamie starts quetsioning Selris, as the narrative now branches.."

Jamie defies Selris to rescue the Doctor
S6E20 · The Krotons Part 2

Key Dialogue

"DOCTOR: "I'm going to take the test. I can't let you go in there alone! What do I do?""
"ZOE: "Oh Doctor, you've divided instead of multiplying. You must concentrate.""
"DOCTOR: "I am, Zoe! I am!""
"DOCTOR: "We started this, we'd better go through with it. We've got to get to the bottom of this somehow, Zoe.""
"JAMIE: "Doctor! No wait, come back!""