Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The Doctor's deception using the fake taranium core (Episode 15) directly causes the failure of the Time Destructor test (Episode 17), exposing Mavic Chen's betrayal."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
Chen's entire position with the Daleks is built on supplying the genuine taranium. The Doctor's replica triggers the Time Destructor's failure, collapsing Chen's credibility and revealing his complicity in the deception. This is the causal crux of Chen's downfall.
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.