Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The Doctor's challenge to the Matrix's reliability in Part 3 leads to his later questioning of the Keeper of the Matrix about tampering in The Ultimate Foe, which exposes the corruption at the heart of the trial."
inferred by llm_cross_episode_arc
Why This Matters Across Episodes
The longer arc this connection carries
This connection carries the conflict arc by showing the Doctor's investigation into the Matrix's integrity, which becomes a central weapon against the Valeyard's orchestrated trial.
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.