Causal
medium strength
Narrative Connection
How these two moments in the story relate
From
Mawdryn demands the Doctor’s help
S20E12
·
Mawdryn Undead Part 4
To
Doctor pledges to save companions at great cost
S20E12
·
Mawdryn Undead Part 4
Why These Connect
The narrative assertion
"Mawdryn's direct appeal to the Doctor as a Time Lord to end their suffering (Act 1) contributes to the Doctor's eventual decision to sacrifice himself (Act 3), showing Mawdryn's role as an agent of moral transformation."
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.