Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"Harris and Van Lutyens' discovery of the seaweed's movement in Episode 31 leads to their ability to deduce the weed's strategic threat in Episode 33."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
The earlier revelation of the seaweed's deliberate movement through the ventilation system (Episode 31) directly informs the Doctor and Harris' understanding of the weed colony's advanced capabilities and threat in Episode 33, where it's described as having seized control of the rigs.
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.