Foreshadowing
medium strength
Narrative Connection
How these two moments in the story relate
From
Doctor insists on immediate retreat
S2E2
·
Dangerous Journey
To
Doctor detects returning threat
S2E2
·
Dangerous Journey
Why These Connect
The narrative assertion
"The Doctor's haste to leave the sink foreshadows the danger to come by the return of the murderers."
About Foreshadowing Connections
A hints at B. The first event plants narrative seeds that pay off later. These connections reward attentive viewers with a sense of inevitability on rewatch.