Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The mention of Zoe and Isobel's potential arrival via the train echoes the earlier anxiety about their disappearance, reinforcing their roles as missing persons whose search drives the Doctor and Jamie's actions."
inferred by llm_cross_episode_arc
Why This Matters Across Episodes
The longer arc this connection carries
This callback ties together the episodes' shared tension about Zoe and Isobel's fate. The anxiety from Episode 12 is concretized in Episode 13 through their physical absence and the desperation of the search.
About Callback Connections
B explicitly references A. A later moment deliberately echoes an earlier one, creating a sense of narrative completeness and rewarding memory.