Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Peri seized by native captors
S23E1
·
The Mysterious Planet Part 1
To
Doctor leaves Peri to explore mystery
S23E1
·
The Mysterious Planet Part 1
Why These Connect
The narrative assertion
"The Doctor's decision to explore a lower level and leave Peri alone directly leads to her injury and subsequent capture by the natives, establishing the immediate peril she faces and raising the stakes for the protagonist."
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.