Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Sarah finds Doctor gasping at the rock pool
S13E7
·
Planet of Evil Part 3
To
Command learns of stalled propulsion systems
S13E7
·
Planet of Evil Part 3
Why These Connect
The narrative assertion
"The urgency of the spaceship preparing to leave the rock pool area, with Sarah trying to rouse the Doctor, directly escalates into the discovery that the ship cannot make progress due to antimatter effects, as reported by Reig."
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.