Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Tunnel floods as escape route cuts off
S10E17
·
Planet of the Daleks Part 3
To
Doctor aids Taron against encroaching ice
S10E17
·
Planet of the Daleks Part 3
Why These Connect
The narrative assertion
"The Thals' preparation to ascend through the grill creates the opportunity for Taron to call out to the Doctor, leading to the groups' convergence."
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.