Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The critical TARDIS heart failure in Logopolis directly leads to the coolant loss and structural integrity crisis in Castrovalva, as the damage from the Master's sabotage persists across episodes."
inferred by llm_cross_episode_arc
Why This Matters Across Episodes
The longer arc this connection carries
This connection carries the thread of the TARDIS's deteriorating condition from the end of Logopolis into the start of Castrovalva, showing that the system failures are not resolved but escalate, forcing the Doctor and companions to face an increasingly unstable ship.
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.