Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor sabotages Master and Sea Devils
S9E14
·
The Sea Devils Part 6
To
Doctor and Jo flee collapsing base
S9E14
·
The Sea Devils Part 6
Why These Connect
The narrative assertion
"The Doctor's revelation to the Master about the reversed polarity and self-destruct (beat_489f09d5cdb1a770) directly leads to his use of the sonic screwdriver to unlock their cell and search for escape equipment (beat_a1cc109eb2fff2c3)."
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.