Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"Barbara's alarm at learning Ian is fighting Ixta (due to the Doctor's machinations) lays the groundwork for the Doctor's later guilt and insecurity, which explodes in his public confrontation with Ian in Episode 36."
inferred by llm_cross_episode_arc
Why This Matters Across Episodes
The longer arc this connection carries
The Doctor’s actions in Episode 28 (arming Ixta) directly endanger Ian, planting the seed of tension that erupts when Ian confronts the Doctor’s competence in Episode 36. This shows a cause-effect chain across episodes where the Doctor's risky decisions create interpersonal fallout that escalates over time.
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.