Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor races to identify a cure
S7E10
·
Doctor Who and The Silurians Part 6
To
Antidote breakthrough demands live testing
S7E10
·
Doctor Who and The Silurians Part 6
Why These Connect
The narrative assertion
"The Doctor requests and receives samples to assist in finding a cure, paving the way for the breakthrough when he exclaims 'Eureka!'"
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.