Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"Robson's toxic gas ambush on the guard in Part 5 directly leads to his toxic gas attack on the Doctor in Part 6, escalating the threat."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
The tool Robson first used to attack (toxic gas) becomes the weapon he employs in the Doctor's direct confrontation, showing his escalating brutality and the weed's control.
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.