Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Brigadier assigns Powell covert mission
S20E10
·
Mawdryn Undead Part 2
To
Tegan tries to awaken the Brigadier’s memory
S20E10
·
Mawdryn Undead Part 2
Why These Connect
The narrative assertion
"Tegan’s realization that they are in 1977 due to the Silver Jubilee celebrations prompts her to tell the Brigadier about the TARDIS and their situation, which he connects directly to the Doctor."
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.