Causal
medium strength
Narrative Connection
How these two moments in the story relate
From
Scott alerts Nyssa of Cybermen outbreak
S19E22
·
Earthshock Part 4
To
Doctor destroys the Cyberleader with Adric's gold star
S19E22
·
Earthshock Part 4
Why These Connect
The narrative assertion
"Scott’s attempt to contact the TARDIS from the cargo hold leads to Nyssa responding, which establishes their ability to communicate and sets up the Cyberleader’s later interruption and destruction of the communicator."
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.