Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"K9’s detection of the Doctor's alien physiology and viral infection (Episode 6) directly causes Marius to authorize the emergency brain surgery (Episode 6), which in turn leads to the Doctor's physical breakdown in Episode 7."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
This causal chain links K9's diagnostic role to the escalating medical intervention and the virus's physical manifestation in Episode 7, showing K9's indirect culpability in the crisis as a diagnostic tool.
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.