Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"Jamie unlocking the forbidden shaft in Episode 29 leads the Doctor and Polly to investigate the whispers and hidden activities in the Pipe Room in Episode 30."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
This discovery of the forbidden shaft and the Macra's presence in Episode 29 sets up the Doctor's suspicion that culminates in his and Polly's investigation in Episode 30, where they witness the gas theft.
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.