Tracker Dog

A hound bred and trained for scent tracking, deployed by the Kraal pursuers to locate the Doctor and Sarah. Its scenting ability drives the relentless sweep through the woodland, forcing the Doctor to risk a desperate gamble by lifting Sarah into a tree to temporarily evade detection.

2 appearances

Purpose

Trail detection and pursuit assistance for locating targets through scent.

Significance

Amplifies the sense of inescapable surveillance underpinning the Kraal invasion. Their presence escalates tension by narrowing the Doctor’s options, forcing improvisation that ultimately fails—highlighting the overwhelming operational advantage of the pursuers.

Appearances in the Narrative

When this object appears and how it's used

2 moments

S13E14 · The Android Invasion Part 2

Sarah twists ankle during woodland pursuit

The tracker dog's presence drives the relentless woodland pursuit. Scenting the discarded decoy objects, the hound adapts its chase to the false trails created by the Doctor andSarah's discarded scarf and jacket, leading Adams and soldiers toward the river while Sarah remains concealed above.

Before: Active pursuit agent, highly responsive to scent trails

After: Continues tracking decoy items downstream toward the river

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S13E14 · The Android Invasion Part 2

Sarah is captured after hiding in a tree

An advanced Kraal-issued tracker dog, nose to the ground, relentlessly follows the scarf-jacket-shoe trail planted by the Doctor. Its single-minded pursuit drives the woodland sweep until Adams overrides it by sighting Sarah herself.

Before: On leash near Adams, awaiting scent command

After: Switched pursuit vector toward Sarah’s emerging figure, abandoning false trails

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