Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"Tarn's frantic failure to seal the gas lines in Episode 19 directly causes the realization that breaches in such critical infrastructure are catastrophic and irreversible, foreshadowing his later role in sealing Tunnel Seven in Episode 20."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
This connection establishes Tarn's pattern of mechanical but failing responses to breaches, showing how his inability to control an emergency in Episode 19 makes the Minyans' choice to seal Tunnel Seven in Episode 20 feel like a desperate echo of that earlier failure.
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.