Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The Doctor collapsing at Sarah's feet and needing urgent medical aid in Episode 26 sets up the Brigadier immediately calling for Harry Sullivan when the Doctor collapses again in Episode 1 due to regeneration instability."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
The Doctor's physical fragility after the Metebelis crystal ordeal carries over into his new regeneration, requiring continued medical oversight from UNIT.
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.