Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The Doctor's initial encounter with Seth and Teka in Episode 17 (where he learns of the Anethans' sacrificial mission) directly leads to Romana's plan in Episode 18 to rescue them, as she overhears Seth's refusal of help."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
This connection establishes a direct causal chain: the Doctor's investigation of the tribute system (and his empathy for Seth/Teka) is what later drives Romana to propose commandeering the ship for their rescue in Episode 18. It transitions from discovery to action.
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.