Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The Doctor’s abandonment of Ian and Barbara in Episode 12 (leaving them alone and vulnerable) directly causes their capture by slave traders, leading to Barbara’s imprisonment in a Roman slave cell in Episode 13."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
The Doctor’s decision to prioritize his own desires (going to Rome with Vicki) over the safety of his companions creates a power vacuum that the slave traders immediately exploit. This sets off the chain of events that traps Barbara in captivity.
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.