Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Distress call sabotaged by infected crew
S15E5
·
The Invisible Enemy Part 1
To
TARDIS infected by alien tendrils
S15E5
·
The Invisible Enemy Part 1
Why These Connect
The narrative assertion
"The Doctor and Leela's response to the distress call (Beat beat_dce1700c8da2d980) leads the TARDIS directly into the path of the electro-phenomenon and the alien entity (Beat beat_055fa7cc99125f6a), resulting in the Doctor's infection (Beat beat_02d8bbb603d18485)."
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.