Doctor Who
Object

Master's Kamelion Control Device

A combined system combining the spherical display embedded in the Master’s TARDIS console (flickering with Kamelion’s convulsive spasms) and the metallic containment unit suspended near the console (housing Kamelion’s prone form with alien sigils). The device integrates neural coercion mechanisms where Kamelion’s temple ports connect to the Master’s psychic apparatus, with a metallic rim that glows in sync with Kamelion’s neural instability. The integrated system’s resolution distorts with the android’s strain, casting blue-green shadows across the Master’s face as he maintains control through psychic pressure. The container bears physical marks where Kamelion’s limbs pressed during psychic struggles, dampening all sound during containment.
8 appearances

Appearances in the Narrative

When this object appears and how it's used

8 moments
S21E16 · Planet of Fire Part 2
The Master forces Kamelion into submission

The spherical monitor embedded in the Master’s console displays Kamelion’s convulsive spasms in distorted resolution, its flickering image reflecting the android’s neural instability under psychic coercion. The monitor’s glow bathes the cramped chamber in eerie light as the Master watches his agent’s plight.

Before: The monitor is active but static, awaiting the Master’s input.
After: The monitor flickers erratically, syncing with Kamelion’s spasmodic responses and amplifying the visual chaos of the android’s struggle.
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S21E18 · Planet of Fire Part 4
Peri dislodges Master from Kamelion

Peri’s collision with the Kamelion control box dislodges it from its precarious position, severing the neural tendrils connecting Kamelion to the Master. The box’s physical integrity fails, rupturing the link and causing the Master to be forcibly ejected mid-incantation while Kamelion collapses autonomously.

Before: Elevated and operational, securely positioned near the TARDIS console with Kamelion’s neural system fully integrated and the Master exerting psychic control.
After: Toppled, damaged, and non-functional, its broken casing exposing severed connections and its lights flickering into darkness as control is lost.
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S21E18 · Planet of Fire Part 4
Peri reduces the Master to miniature form

The Master’s Kamelion Control Box serves as the anchor for his consciousness after Peri’s intervention. The box absorbs his shrunken form and twitched neural tendrils during his forced retreat from the console, becoming the conduit for his immediate regaining of control and renewed antagonism.

Before: Active chamber containing Kamelion’s hybrid form under the Master’s psychic control, connected to the main console with unstable energy.
After: Box contains the Mini-Master resuming command over Kamelion, its mechanisms flickering with renewed synchronicity and control signals.
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S21E18 · Planet of Fire Part 4
Master revives Kamelion for conquest

The Kamelion control device, housed within the metallic control box, crackles back to unstable life as the Master reactivates it. Harsh energy pulses through Kamelion’s neural pathways, forcing the android’s dormant systems to reboot violently. The brooding metallic casing of the control unit glows ominously, its alien sigils pulsing in sync with the forced vitality.

Before: The stolen control device was dormant and failing, its energy depleted and connections severed.
After: The device reignites with unstable energy, energizing Kamelion’s systems though at severe risk of catastrophic overload.
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S21E18 · Planet of Fire Part 4
Doctor humiliates miniaturized Master

The control box serves as a cage for both the shrunken Master and Kamelion’s prostrate form, its neural web still tethered to the Master’s stolen control unit despite Peri’s earlier breach of its hinges. Here, it becomes a psychological arena where the Doctor’s insight and mockery sever the last filaments of the Master’s control over Kamelion.

Before: Compromised by Peri’s physical assault, the box hangs open and unstable, with exposed wiring and pulsating energy reflecting Kamelion’s forced compliance under the Master’s psychic lodgment
After: Visually unchanged but functionally broken—the Doctor’s revelations and Amyand’s aggression underline the box’s failure as a containment vessel, prompting K-Master’s retreat order
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S21E18 · Planet of Fire Part 4
The Master reveals his final gambit

The Master’s Kamelion Control Box is the central battleground where Peri’s earlier sabotage severed the neural tendrils linking the shrunken Master to Kamelion’s systems. The box’s unstable circuitry now pulses around their ruined connection as the Doctor probes the villain’s claims, its brooding metallic form serving both as hiding place and narrative stage for the confrontation.

Before: Partially disabled after Peri damaged hinges and wiring during escape attempt
After: Still physically intact but functionally compromised, the control bonds broken and the Master’s grip weakened
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S21E18 · Planet of Fire Part 4
Master’s fiery doom and Doctor’s narrow escape

The Master’s Kamelion Control Box serves as the vessel through which his consciousness forcibly merges with Kamelion, then violently ruptures when Peri’s earlier interference severs their connection, triggering the Master’s spectral eruption and catastrophic downfall.

Before: Largely inoperative after Peri’s tampering; neural bonds severed
After: Destroyed by the collapsing structure and exploding gases
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S21E18 · Planet of Fire Part 4
Doctor escapes as the Master burns

Kamelion’s containment box, housed near the Master’s console, becomes the vessel for his fiery resurrection as psychic energy ignites superimposed blue flame over its alien casing before the flames twist into consuming yellow fire.

Before: Actively channeling the Master’s consciousness and stolen regeneration energy, its hinges weakened by Peri’s earlier sabotage.
After: Inert, its former purpose in sustaining the Master’s existence reduced to scattered embers strewn across the collapsing chamber.
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