Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Monk witnesses TARDIS arrival
S2E36
·
The Watcher
To
Steven challenges the Doctor’s credibility
S2E36
·
The Watcher
Why These Connect
The narrative assertion
"The TARDIS's arrival on the beach leads directly to the Doctor's attempt to determine their location using the Viking helmet. The Monk's observation serves as an introduction to the plot, before the Doctor is even aware."
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.