What a script breakdown has to produce
Turning a novel into a season produces four artefacts before any picture exists. Each has a test for whether it is good enough, and each causes a specific, recognisable failure later if it is not. As of 2026-09-12.
| Artefact | Good enough when | What breaks if not |
|---|---|---|
| Cast sheet | A stranger could draw the face from it | Faces drift between episodes |
| Dialogue | Spoken lines in the target language, sized to the shot | Inner monologue becomes silent staring |
| Episode outline | One conflict, one emotional peak, one closing hook | Episodes summarise instead of dramatise |
| Scene sheet | Layout, materials and where the light comes from | One scene's props appear in every episode |
Inclusion rule. The four artefacts a breakdown has to produce before generation can start. Artefacts specific to one vendor's pipeline are not listed. Order. Alphabetical by artefact.
1Each failure is recognisable on screen
The useful thing about this list is that every entry has a symptom. Drifting faces mean the cast sheet was thin. Props appearing where they should not mean a scene sheet carried something situational. Silent staring means the dialogue stayed as prose.
Diagnosing backwards from the symptom is faster than re-reading the whole breakdown, and it is why these four are worth separating rather than treating the breakdown as one document.
2The outline is the one that cannot be fixed later
A thin cast sheet can be improved and the affected shots regenerated. An outline that summarises instead of dramatising produces episodes that are structurally wrong, and no amount of regeneration fixes structure.
It is also the cheapest of the four to get right, because it is text and it is short.
3Dialogue has to be sized, not just written
A line that takes nine seconds to say cannot sit in a shot with a six-second ceiling. Sizing dialogue to the shot is part of the breakdown rather than a later trim, because trimming a line after the shot list exists means re-timing everything around it.
4The breakdown decides how the season holds together
Every later step consumes these four artefacts. A strong breakdown makes an ordinary generator look consistent; a weak one makes a strong generator look careless, because the generator is being asked a different question every episode.
It is also the cheapest step to redo, since none of it has been rendered yet.
5Who owns it matters as much as what it says
These four artefacts are the production's memory. Split across several people and several tools, they drift out of step with each other, and the symptom is a season that looks fine episode by episode and inconsistent watched in order.
6Where these figures come from
A definition kept for this register: the term, and what vendors state about it, each figure read on 2026-09-12. The tools themselves are on the register. Related: Cliffhanger hook, Element.