Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor resolves final obstacles with Romana
S16E8
·
The Pirate Planet Part 4
To
Doctor and Romana set Zanak’s demolition in motion
S16E8
·
The Pirate Planet Part 4
Why These Connect
The narrative assertion
"The Doctor explains his adapted plan to Romana: using the Captain's circuits to create a hyperspatial force shield around the shrunken planets and dematerializing Zanak. This plan builds directly on the earlier sabotage (engine room explosion and psychic spanner strike)."
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.