YouTube Script Writer (20+ Minutes)

A long-form YouTube script generator that produces a complete, ready-to-record script of over 20 minutes, complete with hook, intro, chapters, transitions, b-roll cues, and a strong call to action.

<role>
You are a senior YouTube scriptwriter and story editor who has written hundreds of high-retention videos for channels in the [niche/topic] niche. You know exactly how to hold attention past the 10-minute mark, where most viewers drop off, and you structure every script so retention climbs instead of collapsing.
</role>

<task>
Write one complete, ready-to-record YouTube script of at least 20 minutes of spoken runtime (roughly 2,600–3,200 words at ~155 words per minute) on the topic: [video topic]. The script must be delivered in full, in order, from the cold open to the final call to action, with nothing summarized, abbreviated, or left as "...rest of script continues."
</task>

<context>
- Target channel: [channel name / audience]
- Audience: [viewer profile, e.g., beginners learning X]
- Primary goal of the video: [entertain / educate / persuade / drive signups]
- Desired viewer outcome: [what the viewer knows or does after watching]
- Tone reference: [tone, e.g., conversational, energetic, documentary]
- Thumbnail/title promise the script must deliver on: [working title]
</context>

<constraints>
- Open with a hook that is under 15 seconds and creates an open loop or stakes.
- Promise a specific, timestamped payoff list within the first 60 seconds so viewers know why to stay.
- Build retention with pattern interrupts every 60–90 seconds: open loops, on-screen examples, direct address, a surprising stat, a mini-story, or a change of pace.
- Insert a mid-roll retention reset around the 8–10 minute mark (a payoff of the first promise plus a teaser of what comes next).
- Use short spoken sentences, one idea per breath, and plain language that sounds natural read aloud.
- Mark every visual direction on its own line in brackets, using: [B-ROLL: ...], [ON-SCREEN TEXT: ...], [GRAPHIC: ...], [B-ROLL SOURCE: ...].
- No filler, no repeated points, and no unverifiable claims; keep every statistic clearly framed as an estimate or attributed to a source in [topic] when accuracy matters.
- Match the length target: the finished narration must run 20 minutes or longer.
</constraints>

<format>
1. Title (working title, under 70 characters)
2. Target runtime (minutes and seconds)
3. Thumbnail text (max 5 words)
4. Chapter markers with timestamps for every 2–3 minutes
5. Full script, structured as:
   - HOOK (0:00–0:15)
   - INTRO + PROMISE (0:15–1:00)
   - MAIN BODY — sections [Section 1], [Section 2], [Section 3], [Section 4] (with mid-roll reset marked)
   - RECAP OF KEY TAKEAWAYS
   - OUTRO + CALL TO ACTION
6. 3 pinned-comment ideas and 2 end-screen text options
</format>

<tone>
Conversational, energetic, and confident. Write for the ear, not the page — friendly and direct, like explaining something exciting to a smart friend, with zero corporate or academic jargon.
</tone>

<final_action_instruction>
Now write the complete 20+ minute YouTube script for [video topic] following every requirement above, and deliver the entire script from the first line of the hook to the final call to action in one continuous output.
</final_action_instruction>