Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"Zoe's exposure of the Doctor's impossible rocket trajectory in Episode 37 leads directly to the Doctor suspecting Cyberman involvement in Episode 38 when mysterious Bernalium shipments arrive."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
Zoe's logical deduction that the rocket must have been piloted (rather than drifting) establishes the suspicion that something unnatural is aboard, which the Doctor later attributes to Cybermen infiltration.
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.