Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Sterilization alarm forces hasty escape
S20E14
·
Terminus Part 2
To
Gas fills corridor forcing desperate flight
S20E14
·
Terminus Part 2
Why These Connect
The narrative assertion
"The Tannoy's warning of 'stage one sterilisation' directly causes the Doctor's urgency to escape, which later escalates to 'stage two sterilisation' (gas). The Tannoy's announcement is a pivotal moment that transforms the story from investigation to survival."
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.