Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"The TARDIS's sudden departure from Earth in Episode 12 (abandoning Emilia) creates the setting for Episode 13's events on Tara, where the Doctor and Romana are fully focused on the Key to Time mission."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
The abrupt shift in location and mission context from Episode 12 to 13 establishes the new narrative groundwork, with the TARDIS's departure enabling their arrival on Tara.
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.