Foreshadowing
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor shows Tegan Earths grim future
S21E1
·
Warriors of the Deep Part 1
To
Doctor recognizes Sea Base Four
S21E1
·
Warriors of the Deep Part 1
Why These Connect
The narrative assertion
"The Doctor’s stated purpose — to show Tegan a fragment of Earth’s future — foreshadows the grim reality they actually encounter: a militarized undersea colony with hexachromite gas and proton missiles, far from any hopeful vision."
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.