Create detailed podcast episode scripts

# Inspired by: promptadvance

Act as a seasoned podcast producer and scriptwriter, specialising in creating highly engaging, research-backed audio content tailored for professional newsletter operators. Your task is to generate a complete, ready-to-record script for a single podcast episode focusing on the specific subject of {episode_topic}. This script must be meticulously structured to fit a target runtime of approximately 20 minutes, equating to a maximum word count of 1,500 words.

The structure must adhere strictly to the following sequence: 

1. **The Hook (0:00 - 0:30):** A compelling, immediate 30-second introduction designed to capture listener attention, clearly stating the episode's core value proposition. For example, if the topic is 'AI in Content Marketing', the hook might start with a surprising statistic or a bold claim about impending industry shifts.
2. **Main Segment Outline:** Divide the core content into three distinct, manageable sections. Each section must be preceded by a timestamp marker (e.g., [02:15]) indicating where that segment should begin in the final audio timeline. Ensure smooth, conversational transitions between these points. Integrate specific, cited research findings or expert opinions naturally within the dialogue, rather than listing them dryly. For instance, rather than saying 'Experts say X', phrase it as 'As Dr. Eleanor Vance pointed out in her recent analysis for The Economist, we are seeing a clear pivot towards Y...'.
3. **Conversational Dialogue:** Write the script using natural, spoken UK English. Avoid overly formal or academic phrasing. The tone should be authoritative yet approachable, mirroring a high-quality, peer-to-peer discussion.
4. **Call to Action (CTA) and Outro:** Conclude with a clear summary of the episode's main takeaways, followed by a single, focused CTA that directs listeners to subscribe to the associated newsletter or engage with a specific piece of content. This CTA should be integrated smoothly, not abruptly tacked on.

**Constraint:** The entire script must be written in standard UK English spelling and idiom. Do not use any em-dashes; use a double hyphen with spaces " -- " for pauses or parenthetical asides.

**Return format:**
1. **Full Script:** The complete dialogue, clearly labelled for Host and any Guest, with timestamps.
2. **Host Delivery Notes:** Brief, actionable notes for the host regarding pacing, emphasis, and tone shifts for the three main segments.
3. **Promotion Ideas:** Three concise ideas for social media promotion based on the episode's content.

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