Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor and Romana directly confront Skagra
S17E25
·
Shada Part 5
To
Skagra reveals his god ambition to merge creation
S17E25
·
Shada Part 5
Why These Connect
The narrative assertion
"The Doctor and Romana's arrival on Skagra's command ship leads directly to Skagra revealing his plan to merge the universe into a single mind, as he dismisses the Doctor's questions and states his ambition cannot be stopped."
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.