Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
TARDIS crash reveals alien base
S5E11
·
The Ice Warriors Part 1
To
Outsiders labeled and dismissed
S5E11
·
The Ice Warriors Part 1
Why These Connect
The narrative assertion
"The TARDIS materializes outside the base, leading the Doctor to investigate, ultimately drawing him to the malfunctioning ioniser."
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.