Foreshadowing
medium strength
Narrative Connection
How these two moments in the story relate
From
Brigadier orders fire triggering vanishing flash
S10E1
·
The Three Doctors Part 1
To
The Doctor reclassifies a cosmic threat
S10E1
·
The Three Doctors Part 1
Why These Connect
The narrative assertion
"The disappearance of the water dispenser after the soldier opens fire foreshadows the later disappearances (including Bessie and Tyler) and the revelation that the entity uses drains to move, linking the two phenomena through the entity's modus operandi."
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.