Object
Third Doctor's Sonic Screwdriver (Sarah Jane Incidents)
A compact, cylindrical sonic screwdriver with a distinctive emitter tip showing heavy wear marks. Originally an emergency repair device for oxygen systems, it becomes a narrative symbol of partnership between the Doctor and Sarah Jane Smith across multiple events in The Sontaran Experiment and Nerva Station incidents. Scuffed metallic surface from frequent use, recognized immediately by Sarah's touch in abandoned ruins. Its restoration or absence drives key plot developments in environmental crises and survival confrontations.
17 appearances
Purpose
To disable or manipulate technology through sonic pulses; also functions as an emergency repair and lockpicking tool.
Significance
This screwdriver represents the Doctor’s trust in Sarah’s competence and their shared history. Its retrieval sparks the next stage of investigation, binding their fragmented goals in urgency. Though seemingly mundane, it serves as a totem of their renewed alliance.
Appearances in the Narrative
When this object appears and how it's used