Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Discovery of the Kantran corpse
S17E1
·
Destiny of the Daleks Part 1
To
Doctor trapped beneath debris
S17E1
·
Destiny of the Daleks Part 1
Why These Connect
The narrative assertion
"The explosions from the phason drill not only force the Doctor and Romana to retreat but directly cause the collapse that traps the Doctor under a column, rendering him unconscious—a critical injury that leads to Romana’s fetching K9 and the Doctor’s eventual capture."
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.