Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"Gemma's death in Part 5, while trying to warn about Cyberman sabotage, leads directly to the Doctor revealing the Cybermen's air poisoning plot in Part 6. The Doctor references her sacrifice explicitly, making her death the catalyst for the crew's awareness of the impending air attack."
inferred by llm_cross_episode_arc
Why This Matters Across Episodes
The longer arc this connection carries
This thread carries the emotional and narrative weight of sacrifice and urgency across episodes. Gemma's death is not just a personal loss but a turning point that reveals the Cybermen's larger genocidal plan, escalating the conflict from infiltration to existential threat.
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.