Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor and Sarah face deadly deception
S13E16
·
The Android Invasion Part 4
To
Sarah confronts her android double
S13E16
·
The Android Invasion Part 4
Why These Connect
The narrative assertion
"Sarah's discovery that the Doctor she meets in Devesham Wood is an android replica directly leads to her escape and her confrontation with the fake Doctor later. This encounter introduces the android threat at a personal level, raising the stakes from abstract invasion to immediate peril."
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.