Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The Doctor and Romana's arrival at the Rollright Stones to search for the Key of Time directly sets up Romana's disappearance in Part 2."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
The investigation at the stone circle in Episode 9 establishes the location and danger that Romana later falls into in Episode 10. The Doctor's urgency to investigate the earthworks and stones creates the conditions for Romana's perilous encounter.
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.