Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Cybermen overwhelm Doctor and Sarah Jane
S12E20
·
Revenge of the Cybermen Part 4
To
Cyber Leader mocks Doctor and Sarah before escape
S12E20
·
Revenge of the Cybermen Part 4
Why These Connect
The narrative assertion
"The Cybermen's evacuation of the Beacon leaves the Doctor and Sarah as the only ones aboard, setting the scene for their escape attempt and ultimate rescue. This evacuation is a necessary precondition for the climax."
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.