Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The Doctor's survival after being found half-buried in snow (Part 3 opening) sets up his immediate jeopardy in Part 4 when Scorby traps him in the compost crusher, continuing the physical peril introduced in the rescue."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
The Doctor's vulnerable state in Antarctica directly leads to his physical confrontation with Chase's forces in the compost room, escalating the immediate physical threat from survival to life-or-death stakes.
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.