Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor exploits Dalek desperation for cure
S1E6
·
The Survivors
To
Ian’s forced mission despite radiation sickness
S1E6
·
The Survivors
Why These Connect
The narrative assertion
"The Doctor's fabricated story about anti-radiation drugs being near the TARDIS leads them down a dangerous mission to retrieve them. Connects the control room scene to the detention cell scene."
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.