Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Stapley and Bilton rescue the companions
S19E26
·
Time Flight Part 4
To
Nyssa suggests summoning outside help
S19E26
·
Time Flight Part 4
Why These Connect
The narrative assertion
"The unexpected rescue by Captain Stapley and Bilton in the Tardis (beat_aa8f9d69e1f9afb0) directly enables the Doctor to immediately enlist Stapley's help to pilot the Tardis and devise a plan to stop the Master (beat_a86f328f81b82d80), creating a crucial alliance."
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.