# AI Video Prompts for Documentaries: Image, Motion, and Continuity

> Write documentary AI video prompts that separate appearance from motion, preserve references, and give every generated scene a clear editorial purpose.

Updated: 2026-07-11
Audience: AI filmmakers, documentary channels, visual directors, and prompt designers
Canonical: https://onira.studio/guides/ai-video-prompts-for-documentaries

## Key takeaways

- Begin with the shot's narrative job.
- Lock appearance in a still before directing motion.
- Use references and continuity receipts instead of repeating vague adjectives.

## Define the editorial job before the visual

Write one sentence explaining what the viewer must understand or feel during the shot. The same line of narration might need orientation, evidence, scale, contrast, human detail, or a transition. That purpose determines the subject and framing more reliably than a style adjective.

Avoid asking one shot to establish a city, introduce three people, demonstrate a process, and deliver emotional climax. Divide complex beats into a sequence of readable images.

- Narration segment and exact duration.
- One visual purpose.
- One focal subject or relationship.

## Write the image prompt

Describe the subject, setting, period, materials, wardrobe, spatial composition, camera position, lens character, depth, light, color, weather, and documentary tone. Add negative constraints only when they prevent likely failure.

Use concrete visual nouns instead of stacked praise such as stunning, epic, cinematic, ultra-detailed. The model needs a scene to construct, not a review of the hoped-for result.

- Who or what is visible and where.
- Period, geography, materials, and environmental conditions.
- Framing, lens, light, texture, and restrained style.

## Write the motion prompt

Assume the approved still already defines appearance. Describe the main subject action, camera behavior, environmental motion, speed, and end state. Keep the physical request simple enough to remain coherent for the shot duration.

Good documentary motion often comes from small changes: cloth moves in wind, a hand completes one craft action, smoke drifts, light changes, or the camera reveals scale. Motion should not invent a new scene halfway through the clip.

- One principal action.
- One camera move or a locked camera.
- Subtle secondary motion and a stable ending.

## Carry continuity across shots

Store accepted character, subject, wardrobe, setting, lighting, and style references. Each later prompt should use the relevant reference rather than attempting to recreate identity from prose alone. Track whether a shot must begin from the preceding final frame or can cut cleanly to a new setup.

Review continuity at sequence speed. Individual frames can look attractive while identity, screen direction, time of day, or geography drifts across the edit.

- Accepted reference images and descriptive identifiers.
- Continuity requirements by adjacent shot.
- Sequence-level review after generation.

## Publication checklist

- Every shot has one editorial purpose and target duration.
- The image prompt defines appearance with concrete detail.
- The motion prompt does not redundantly redesign the frame.
- Actions and camera direction are physically simple.
- Accepted references are reused for recurring elements.
- Continuity is reviewed in the assembled sequence.

## Sources

- [Google Veo video-generation documentation](https://ai.google.dev/gemini-api/docs/video?hl=en)
- [Runway guidance for creating longer films](https://help.runwayml.com/hc/en-us/articles/26871350018835-How-to-create-longer-videos-and-films)

## Questions

### What should an AI documentary video prompt include?

Include the shot's editorial purpose, subject, setting, period, composition, camera, light, and constraints. For motion, describe one action, camera behavior, environmental movement, and end state.

### Should image and video prompts be separate?

Yes. The image prompt defines what the shot looks like. After approving that anchor, the video prompt should primarily define what moves and how the camera behaves.

### How do I keep a character consistent?

Use accepted reference images and a stable character description, keep wardrobe and lighting receipts, and review the complete sequence. No current workflow should promise perfect identity in every generation.

## Product boundary

- Onira delivers a final MP4; it does not upload or schedule posts on YouTube or social platforms.
- Onira provides a reviewable production workflow; creators remain responsible for approving the story, facts, rights, disclosure, and final publication.
- Director chat is limited to regenerating one selected PREVIEW timeline video clip; other available Studio controls are separate direct actions.
- Creators must review facts, sources, rights, realistic-synthetic-media disclosure, and platform policy before publishing.
- Onira does not guarantee YouTube monetization, reach, factual accuracy, or legal clearance.