Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
First Doctor vanishes at victory's end
S10E4
·
The Three Doctors Part 4
To
Time Lords restore the Third Doctor's powers
S10E4
·
The Three Doctors Part 4
Why These Connect
The narrative assertion
"The departure of the First and Second Doctors through fading (Beat beat_d812553cfccd6c73) makes space for the Third Doctor's reinstatement and return to full agency, leading directly to the Time Lords' restoration of his abilities (Beat beat_5920379706c89d97)."
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.