Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The Doctor's need for lab facilities (Part 5) ties into the neuristor technology (Part 7) that becomes critical for reviving UNIT personnel during the invasion."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
Though indirect, the Doctor's early analysis of Cyberman tech (Part 5) prefigures the solution (neuristors) implemented in Part 7. Walters' role in relaying these developments bridges both episodes.
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.