Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The Doctor’s intention to explore the Primitive ruins in Episode 17 leads directly to his presence in the ancient city where the confrontation with the Master occurs in Episode 20."
inferred by llm_cross_episode_arc
Why This Matters Across Episodes
The longer arc this connection carries
The Doctor's proactive search for Jo in the ruins (Episode 17) places him in the exact location where the Master is manipulating the Doomsday Weapon (Episode 20), enabling their climactic ideological clash.
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.