Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor and Liz discover Scobie replica
S7E4
·
Spearhead from Space Part 4
To
Doctor discovers active plastic replicas
S7E4
·
Spearhead from Space Part 4
Why These Connect
The narrative assertion
"The discovery of the Scobie replica (beat_1d30fc16a84c9b16) prompts the Doctor to examine it more closely (beat_a9869f9bc603f277)."
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.