Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Nyssa senses Tegan's inner torment
S20E5
·
Snakedance Part 1
To
Doctor and Nyssa map the enemy’s weakness
S20E5
·
Snakedance Part 1
Why These Connect
The narrative assertion
"The Doctor's discovery of the nearby cave system (during the search for Tegan) is directly tied to the need to find the 'snake mouth in the dream' mentioned during hypnosis. This spatial search mirrors the psychological journey into Tegan's subconscious."
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.