Jo Grant's Precision Screwdrivers

Jo carries her titanium sonic screwdriver during the tense corridor march, though it remains unused in this segment; its presence reinforces her identity as a technical and diplomatic asset despite her unease about the Doctor’s plan.

The Doctor carries the sonic screwdriver as a subtle emblem of his non-official role, using its precision not for violent intervention but for maintaining plausible deniability. Though not actively used here, its presence grounds Jo and the Doctor’s improvised strategy in professional competence and symbolic reliability.

Jo’s sonic screwdriver hums faintly at the Doctor’s side but remains unused in the direct violence of the moment. Its presence underscores technical reason amid sacred chaos, though in this scene its role is minimal—more symbolic of the Doctor’s methodology than a tool summoned to act.

Though absent from the conference room, Jo Grant’s Sonic Screwdriver serves as a latent symbol of her defiance, its prepared functionality contrasting with the delegates’ moral timidity. The Doctor manipulates his own screwdriver off-stage, tethering the object’s quiet engineering to the room’s escalating paralysis.

The modified version of Jo Grant’s Sonic Screwdriver is activated by the Doctor to project hypnotic mirror images, intended to pacify Aggedor and establish a peaceful dialogue. Its humming presence becomes a disruptive technological force in the sacred ritual space of the tunnels.

Jo uses her sonic screwdriver to secure evidence of Hepesh's conspiracy, demonstrating practical technological intervention that contrasts with Hepesh's superstitious manipulation. The device's quiet precision provides tangible proof supporting the Doctor's expository revelations.

Jo’s Sonic Screwdriver is mentioned implicitly as a precision instrument she carries, hinting at her capacity to secure doors and aid the Doctor’s plan amid rising crisis.

Jo’s Sonic Screwdriver hums quietly during the confrontation, though it is not visibly activated in this segment. Its mere presence alongside the Doctor stabilizes events, implicitly reinforcing his command over Aggedor and the safety of those around him.

Jo holds her sonic screwdriver discreetly during the chaos, ready to assist the Doctor should the confrontation escalate, though it remains unused. Her prepared presence grounds the moment in cautious readiness while she prioritizes Peladon’s immediate emotional needs.

Jo's small screwdrivers become instruments of desperate hope as she uses them to pry open the broken radio's casing in the tunnel's oppressive dark. Her fumbling attempts with the tools reflect her growing desperation to establish contact and summon aid before the destructive advance of the maggots overwhelms them.