Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The theft of the TARDIS on the Karakorum Road in Episode 20 is a direct consequence of Ian’s earlier theft of the key (revealed in Episode 19), as the key was used to operate the TARDIS, enabling Kuiju to steal it."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
This connection reveals the ripple effect of Ian's initial act of 'stealing' the key in Episode 19 as protection for Ping-Cho. It directly enables the later theft of the TARDIS in Episode 20, showing how compounded misjudgments and deceptions escalate into a severe crisis forcing the Doctor and companions into survival mode.
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.