Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor devises pursuit to Shada
S17E25
·
Shada Part 5
To
Doctor unlocks the path to Shada
S17E25
·
Shada Part 5
Why These Connect
The narrative assertion
"Clare and the Doctor discussing the urgency of stopping Skagra leads directly to Chronotis proposing they follow Skagra to Shada by tracking the TARDIS's space-time path."
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.