Doctor Who
Object

Ultra-Sonic Disintegrator

A compact, metallic device resembling a large pistol (palm-sized with smooth dark metal construction), its surface etched with alien glyphs along its barrel and grip. When fired, it emits a focused pulse of ultrasonic energy that reduces targets to ash in a brief flash of light, leaving no residue or physical trace. Analysis reveals a mix of Earth-sourced iron from North Wales and advanced extraterrestrial craftsmanship in its assembly. The weapon demonstrates unsettling properties beyond conventional ballistics, suggesting ties to temporal interference rather than simple alien weaponry. The Doctor and UNIT personnel (The Brigadier, Jo Grant, and Sergeant Benton) observe its destructive capabilities during a demonstration in the UNIT laboratory, noting its unexplained origin and temporal implications.
1 appearances

Purpose

To disintegrate targets instantaneously using ultrasonic energy, leaving no trace of the victim.

Significance

The weapon’s true origins challenge initial assumptions about the threat, exposing a conspiracy involving unchecked temporal technology. Its association with time-displaced interference reframes the entire mission as a potential historical tampering operation with global consequences.

Appearances in the Narrative

When this object appears and how it's used

1 moments
S9E1 · Day of the Daleks Part 1
Doctor unravels alien weapon and time device

The human test subject stands immobile in the firing range as the ultra-sonic disintegrator’s target. When the weapon is fired, the target vanishes in a flash of white light without residue, establishing the weapon’s lethal temporal capability and shocking the observers into silence.

Before: Secured in the firing range for experimental demonstration. Alive and compliant.
After: Vaporized instantly by the weapon, leaving no physical trace. Confirms the disintegrator’s catastrophic potential.
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