Briode Nebuliser (Sabotaged Control Interface)

The Doctor reveals he removed and sabotaged the Briode Nebuliser from Stike’s Time Space machine, rendering it useless for transferring Androgum transformation data. This revelation explains the failure of Stike’s plan and justifies the Doctor’s earlier deceptive words. The nebuliser’s sabotage becomes the linchpin of the Doctor’s strategy to thwart the Sontarans.

The Briode Nebuliser is the focal point of the Doctor’s deception. He reclaims it from his pocket and reveals he inserted his Time Lord symbiotic print, rendering it inoperative for Peri’s scan. Chessene tests it on Peri, causing it to fail, and the device becomes useless. The object’s failure exposes Chessene’s plans and escalates the confrontation toward coercive retribution.

The Sixth Doctor removes it from Stike’s Time Space machine earlier, then sabotages its interface by imprinting his own symbiotic print. Chessene later demands its return, unaware of his sabotage.

The Doctor reveals he has sabotaged the Briode Nebuliser by paring its interface, leaving a thin membrane that allows functional use exactly once—enabling Chessene’s test while ensuring failure and Peri’s survival. The device’s altered symbiotic print becomes the fulcrum of distrust and lab tension.

The Doctor reveals that he has tampered with the Briode Nebuliser interface, leaving a thin membrane that allows it to function once but ensures catastrophic failure under scrutiny. This sabotage compromises Chessene’s only lever to test Time Lord transformation, deepening her paranoia and stripping her of reliable knowledge.