Doctor Who
Character
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Lead Kroton

authoritative ruthless mechanical logical urgent
Authoritative commander of the Kroton collective, overseeing Dynatrope operations and directing subordinate units like Kroton 2. Enforces purity protocols and strategic decisions, distinct from technical execution roles. Interacts directly with external threats (e.g., The Doctor) while Kroton 2 handles enforcement.
15 appearances
Dynatrope Operations
Also known as: KROTON

Lead Kroton's Journey

A timeline through the narrative

15 moments
S6E22 · The Krotons Part 4
Krotons detect and target Doctor and Zoe

Urgent and calculating—his desperation is masked by mechanical precision, but the stakes (dwindling power reserves) fuel his predatory focus on the Doctor and Zoe.

The Kroton leads the stabilization efforts in the Dynatrope control room, his crystalline head spinning rapidly as he issues commands to cut auxiliaries and reroute emergency power. Once balance is …

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S6E22 · The Krotons Part 4
Sabotage fails but reveals Krotons' weakness

Not applicable (as an organization), but their implied state is one of imminent triumph—until the Doctor spots the sphere’s leak, introducing a crack in their invulnerability. The Krotons’ confidence is their weakness: they assume no Gond or TARDIS crew member could exploit such a flaw.

The Krotons are an ever-present, looming threat, their machine’s unharmed state and impending freedom driving the crew’s desperation. Though not physically visible in this scene, their influence is palpable—through the …

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S6E22 · The Krotons Part 4
Jamie’s disappearance escalates the crisis

Not applicable (as an alien collective), but their presence is felt as a cold, unyielding threat. The leaking sphere suggests a momentary weakness, but their overall demeanor is one of dominance and inevitability.

The Krotons are not physically present in this event but are a looming, ever-present threat. Their influence is felt through the leaking power sphere, the failed sabotage, and the urgency …

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S6E22 · The Krotons Part 4
Vana’s Capture and Selris’ Gambit

Coldly dismissive, with a hint of disdain for Selris’s arguments—his emotional investment lies in enforcing Eelek’s plan, not in the moral or ethical implications of his actions.

Axus, now aligned with Eelek’s militant faction, dismisses Selris’s warnings about the Krotons with cold pragmatism. He orders his guards to stop Vana’s escape, his focus solely on enforcing Eelek’s …

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S6E22 · The Krotons Part 4
Vana’s capture and Selris’ weapon retrieval

Not directly observable, but inferred to be cold, calculating, and indifferent to the Gonds’ fate.

The Krotons are referenced in the debate between Selris and Axus, with Selris warning that the Krotons cannot be trusted and that surrendering the Doctor and Zoe would lead to …

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S6E22 · The Krotons Part 4
Krotons reveal their power failure

Stoic resignation with an undercurrent of existential finality—acknowledging the end of their function without fear or hesitation, as if it were a mere technicality.

Kroton stands rigidly in the Dynatrope Control Room, his crystalline form reflecting the cold, sterile lighting. He delivers the final, fatal prognosis of the Krotons’ situation with mechanical precision, confirming …

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S6E22 · The Krotons Part 4
Krotons Select Doctor and Zoe

Mechanically urgent—his tone betrays no fear, only the relentless drive to execute the escape plan before the Dynatrope's power fails. The ticking clock of 'exhaust time' is his only concession to emotion.

Kroton, the lead crystalline entity, oversees the Dynatrope's critical operations with cold precision. He confirms the capture of the Doctor and Zoe as 'high brains,' checks the system's dwindling 'exhaust …

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S6E22 · The Krotons Part 4
Doctor and Zoe forced into Krotons' chamber

Coldly authoritative, devoid of emotional nuance. The Kroton’s state is one of unyielding control, treating the Doctor and Zoe as mere resources to be utilized for their escape. There is no hint of hesitation or compassion—only the efficient execution of their plan.

The Kroton’s voice, heard off-screen, demands the immediate entry of the ‘high brains’ (the Doctor and Zoe) into the Dynatrope. This authoritative, mechanical tone underscores the Krotons’ control over the …

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S6E22 · The Krotons Part 4
Selris dies delivering acid to the Doctor

Cold and calculating, with an underlying desperation to escape the planet before the Dynatrope collapses; his actions are driven by survival, not empathy.

The lead Kroton issues cold, authoritative commands to prepare the Dynatrope for intergalactic transfer, his voice devoid of emotion. He oversees Selris’s vaporization without hesitation, demonstrating the Krotons’ ruthless efficiency. …

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S6E22 · The Krotons Part 4
Eelek’s Betrayal and the Crew’s Defiance

Indifferent and calculating (implied), driven by the need to escape the planet at any cost

The Krotons are mentioned as having received the Doctor and Zoe in exchange for their departure. Their Dynatrope’s activation threatens the collapse of the Learning Hall, and their presence looms …

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S6E22 · The Krotons Part 4
Doctor and Zoe sabotage Krotons' machine

Initially paranoid and authoritative, shifting to confusion and panic as the acid takes effect. The Kroton's emotional state is one of distress and disorientation as it dissolves, its collective control slipping away.

The Kroton commands the Doctor and Zoe to put on the headsets and assist with the Dynatrope transfer, growing increasingly paranoid and authoritative. As Zoe pours the sulphuric acid, the …

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S6E22 · The Krotons Part 4
Krotons dissolve from sabotage

Authoritative and commanding at first, shifting to confusion and panic as the acid reaction dissolves his form and the Krotons' power source fails.

Kroton, the lead Kroton, commands the Doctor and Zoe to put on the headsets for the Dynatrope transfer, threatening dispersal if they refuse. As Zoe pours the sulphuric acid into …

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S6E22 · The Krotons Part 4
Doctor and Zoe escape dissolving Dynatrope

Authoritative at first, shifting to alarmed and panicked as the sabotage succeeds and the Krotons begin dissolving.

Kroton commands the Doctor and Zoe to wear the headsets for the transfer process, growing increasingly alarmed as the Dynatrope malfunctions and begins dissolving. He reacts with confusion and panic …

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S6E22 · The Krotons Part 4
Gonds Destroy Krotons' Power Source

None (as an organization, the Krotons are no longer active in this scene, their defeat complete).

The Krotons are not physically present in this scene, but their defeat is the central focus of the event. Their crystalline power source is dissolved by the sulphuric acid, leading …

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S6E22 · The Krotons Part 4
Thara Claims Leadership Amid Lingering Threats

None (implied dissolution and defeat). Their absence is a void, a reminder of the tyranny that once ruled the Gonds, now replaced by the uncertain future of freedom.

The Krotons are implied to have been completely dissolved by the sulphuric acid, their crystalline forms reduced to nothingness. Their defeat is absolute, their power source destroyed, and their influence …

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Affiliation

Krotons
Dynatrope Operation, Mental Exploitation, and Coercive Domination of Gond Society