Causal
medium strength
Narrative Connection
How these two moments in the story relate
From
Doctor shuts TARDIS door on Leela and K9
S15E26
·
The Invasion of Time Part 6
To
Doctor leaves Leela and K9 with a new K9
S15E26
·
The Invasion of Time Part 6
Why These Connect
The narrative assertion
"K9 choosing to stay with Leela (beat_646cff57e5e96b32) is followed by the Doctor bringing a 'K9 Mk II' box into the console room (beat_d1cfaaccac99b0f3), symbolizing the Doctor’s acceptance and resourceful adaptation to the loss."
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.