Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The Doctor's introduction in Episode 5 as someone who challenges oppression (helping Pralix) directly leads to his protection of Romana in Episode 17."
inferred by llm_cross_episode_arc
Why This Matters Across Episodes
The longer arc this connection carries
The Doctor's established role as a protector of the vulnerable in Episode 5 (despite being a time lord) creates narrative expectation for his intervention in Episode 17 when Romana faces sacrifice.
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.