Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor and Susan vanish into pyramid
S1E21
·
The Sea of Death
To
Susan triggers the pyramid’s trap
S1E21
·
The Sea of Death
Why These Connect
The narrative assertion
"Susan enters the pyramid, screaming, followed by the Doctor. They both disappear, leaving Ian and Barbara to react and raise concern."
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.