Television Commercial Script: Format, Length, and Writing Guide for 2026

A television commercial script is the blueprint for every second of airtime you pay for. Get the structure right and the production flows smoothly. Get it wrong and you burn budget on footage that cannot be salvaged in the edit. This guide breaks down the format, timing rules, and writing process that professional commercial scriptwriters rely on in 2026.

What is a television commercial script?

A television commercial script is a formatted document that describes exactly what viewers will see and hear during an ad. Unlike a screenplay for entertainment, a commercial script is built around a fixed time budget, usually 15, 30, or 60 seconds. Every line of dialogue, every visual, and every transition must justify the seconds it consumes.

The script serves two audiences. The first is the production team, who uses it to plan shots, cast actors, and schedule the shoot. The second is the business stakeholder, who uses it to confirm that the message, offer, and compliance language are all correct before money is spent. A well-written script protects both sides.

The standard TV commercial script format

Professional commercial scripts use a two-column layout. The left column describes the video, and the right column describes the audio. This split forces the writer to think visually and verbally at the same time, which is essential because television is an audiovisual medium.

• Video column (left) — Describes what appears on screen: the scene, the action, on-screen text, graphics, and product shots.
• Audio column (right) — Contains spoken dialogue, voiceover, sound effects, and music cues.
• Time markers — Each section is tagged with a running time so the total fits the slot.
• Header block — Lists the client, product, title, length, version number, and date.

Even if you write in a simpler format for internal use, the two-column discipline is worth keeping. It exposes gaps where the screen has nothing meaningful to show while the audio talks, which is the most common weakness in amateur commercial scripts.

How long should a TV commercial script be?

Script length is governed by airtime, not word count. The industry standard timing rule is roughly two words per second of clear spoken voiceover. Faster delivery can stretch that, but clarity drops when the actor is rushed. Here is how that translates into practical word budgets.

• 15-second spot — About 25 to 35 words of spoken copy. Enough for one hook and one call to action.
• 30-second spot — About 60 to 75 words. Enough room for a hook, a proof beat, and a call to action.
• 60-second spot — About 120 to 150 words. Room for a story arc with a problem, solution, demonstration, and close.

These ranges assume a single voice speaking at a natural pace. If you use multiple actors, music breaks, or silent visual moments, reduce the word count accordingly. A script that looks short on paper often feels exactly right when read aloud against a clock.

The three-act structure of a converting commercial

Whether the spot is 15 seconds or 60, the most effective commercial scripts follow a tight three-beat structure. Each beat has a specific job, and skipping one is the most common reason an ad underperforms.

1. The hook (first 3 to 5 seconds) — Grab attention with a surprising statement, a relatable problem, or a striking visual. The hook must earn the viewer's next five seconds.
2. The proof (middle section) — Deliver evidence that the product works. This is where demonstrations, before-and-after moments, testimonials, or specific results belong.
3. The call to action (final 3 to 5 seconds) — Tell the viewer exactly what to do next and give them a reason to do it now.

In a 15-second spot these three beats are compressed into single sentences. In a 60-second spot each beat gets room to breathe, but the sequence stays the same. Resist the temptation to add extra beats, because a commercial that tries to say everything ends up saying nothing.

A reusable television commercial script template

Use the following structure as a starting point for your next spot. Adapt the timing to your airtime and the tone to your brand, but keep the sequence intact.

• 0 to 3 seconds: Visual hook. Show the problem or the desired outcome immediately. No logo intro.
• 3 to 8 seconds: Name the problem in the viewer's language. One sentence of voiceover or on-screen text.
• 8 to 20 seconds: Introduce the product as the solution. Show it in action. Demonstrate the core benefit visibly.
• 20 to 26 seconds: Reinforce with a second proof point: a stat, a testimonial line, or a comparison.
• 26 to 30 seconds: Call to action with offer details, website, and a reason to act now.

Writing rules that separate pros from beginners

The difference between a professional commercial script and an amateur one is rarely the idea. It is almost always the discipline applied to the writing.

• Write for the ear, not the eye. Read every line aloud. If you need a breath mid-sentence, the line is too long.
• One idea per spot. If you cannot state the single message in one sentence, the script is overloaded.
• Show, do not tell. Move proof into the visual column wherever possible. A demonstration beats a description.
• Be concrete. Specific numbers and real details outperform vague claims like industry-leading or revolutionary.
• Protect compliance early. Write required disclaimers into the script from the first draft, not after legal review.
• End on the action. The last thing the viewer hears should be the call to action, not a tagline they forget.

How AI tools change commercial scriptwriting

Writing a commercial script from a blank page is the slowest part of the process. AI scriptwriting tools have changed that by turning a creative brief into a structured first draft in minutes. The writer's job shifts from generating words to selecting, tightening, and validating the best version.

A good AI commercial script generator does three things. It respects the timing budget, so the draft actually fits the airtime. It structures the output into hook, proof, and call to action rather than producing generic copy. And it writes in spoken language instead of dense written prose, which means fewer rewrites before the actor reads it on set.

From there, the script can move directly into video production. AI UGC platforms like makeads can take an approved script, assign an AI actor, and produce a finished commercial-style video without a camera. This is especially useful for testing multiple script variants quickly, because each idea can become a watchable video instead of staying trapped in a document.

TV commercial script vs digital ad script

The line between television and digital advertising has blurred, but the scripts still differ in important ways. Understanding the difference helps you adapt one core message across both channels.

• Time discipline — TV slots are fixed to the second. Digital ads have flexible length but still reward brevity.
• Opening — TV assumes a lean-back audience. Digital must earn attention in the first two seconds of a scroll.
• Captions — Digital ads often play muted, so captions are mandatory. TV relies on audio.
• Call to action — TV ends with a brand close and a destination. Digital can link directly to action.

Common commercial script mistakes to avoid

• Front-loading the brand — Opening with a logo instead of a hook wastes the most expensive seconds.
• Overwriting — Cramming 90 words into a 30-second slot forces rushed, unclear delivery.
• No visible proof — Talking about a benefit without showing it turns the ad into a voiceover over wallpaper.
• Vague claims — Words like amazing and best-in-class mean nothing without a specific comparison.
• Weak close — Ending on a slogan instead of an action loses the conversion window.

From script to screen faster

A strong television commercial script is the foundation of an ad that earns its airtime. Lock the structure, respect the timing, write for the spoken word, and protect the proof. When the script is right, every downstream decision, from casting to editing to media buying, becomes easier. And with AI tools like makeads, you can turn that approved script into a watchable video without waiting on a traditional shoot.