Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Alien drill forces sudden retreat
S17E1
·
Destiny of the Daleks Part 1
To
Discovery of the Kantran corpse
S17E1
·
Destiny of the Daleks Part 1
Why These Connect
The narrative assertion
"The Doctor and Romana deciding to investigate the drilling spacecraft directly causes them to approach it, which results in immediate hostile fire and the need to retreat, trapping the Doctor and forcing Romana into separation—a key event that propels Act 2 forward."
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.