Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"Tegan's reckless urgency to escape Monarch's ship with the spare TARDIS key (Part 3) directly leads to her scanner detecting the Urbankan pursuit vessel in Part 4."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
Tegan's act of taking the spare key constitutes a need for immediate escape, which sets up Monarch's pursuit in the next episode as a direct consequence of her defiance.
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.