How to Make Viral Commentary Videos on Games, Movies, Sports & Trending Clips

You’ve probably seen those viral commentary videos with addictive voiceovers, animated captions, and satisfying sound effects. Whether it’s gaming highlights, sports moments, or viral memes, these videos grab attention and keep viewers hooked. But how do people actually make them?

In this full step-by-step guide, we'll show you exactly how to create viral commentary videos, from sourcing footage to adding realistic AI voiceovers and next-level edits. Let's dive in together.

How to Make Commentary Video: Step-by-Step Breakdown

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Game Competition Team Sports Trailer Coming Soon Promo

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Step 1: How to Find Viral Video Ideas and Get the Clip Source

The first step in making a viral commentary video is sourcing your footage. You need to find viral worthy clips to narrate over—think trending topics, viral moments, or hot discussions circulating on platforms like Twitter, YouTube, or TikTok. Popular gaming highlights, epic fails, major sports events, iconic plays, and even timeless movie scenes are all prime candidates. The key is to choose content that people are already buzzing about or that has strong viral potential.

Find Commentary Footage on Social Media Platforms

You can find these clips on social platforms like YouTube, TikTok, Instagram, Facebook, and more. When sourcing video clips, always check the license or fair use to avoid copyright issues. Platforms like YouTube and TikTok have a lot of user-generated content, but make sure you're allowed to use those clips before monetizing or sharing them.

Once you've found the perfect video, you can either download it directly (if permitted) or use a screen recorder to capture the footage.

There are lots of screen recording software, such as OBS, Bandicam, or Camtasia, that you can use to record your commentary videos. But here, we'll introduce an online screen recorder to help you record your screen, webcam, and voice for a commentary video without installing any software or extensions. That is FlexClip’s free online screen recorder.

Make a Commentary Video - FlexClip Screen Recorder

FlexClip helps record the screen for your commentary video in high resolution while giving you much freedom to do setups. Record your screen and webcam simultaneously or separately as you want. It lets you capture everything worth sharing on your screen - gameplay, online webinars, courses, presentations, video tutorials, and more with a few clicks. You can also choose whether you want to record the audio in the video resource and your commentary voice from the microphone at the same time or separately when you start recording the footage for your video game commentary or movie commentary.

Screen Record Your Commentary Clip

Make a Commentary Video - Record Footage

Pro Tip: What's more, FlexClip is an all-in-one screen recorder and video editor, with which you can edit recordings for a professional commentary video at will. Easily edit unwanted bits, and add subtitles, annotations, highlights, and overlays to level up your commentary video.

Start Recording Now Edit the Recordings

Generate Commentary Video Clip with AI

Another great option for sourcing your commentary footage is to use an AI video generator, like FlexClip. With AI, you can create highly realistic, viral-worthy clips entirely on your own, giving you full control over the content. Plus, the best part of using an AI solution is that you won't have to worry about any copyright issues—everything you generate is yours to use freely!

FlexClip's AI Video Generator leverages multiple advanced AI models to create high-quality visuals for your commentary video, including Sora 2, Google Veo 3.1, Hailuo AI, Kling AI, and more. Each model brings unique capabilities, from enhancing video realism to optimizing visual effects and generating seamless footage based on your specific needs. Whether you’re looking for dynamic gaming moments, cinematic effects, or viral video trends, these AI models work in harmony to provide you with the most engaging and polished video clips for your commentary videos.

Generate Commentary Footage with AI

Make a Commentary Video - Generate Footage with AI

Step 2 How to Write Engaging Commentary Scripts with AI

Now that you have your footage, let's talk about how to write a powerful commentary script. The script is crucial—it should be engaging, fun, and relevant to the video.

If you're a natural storyteller or writer, go ahead and craft the script yourself! But if you're struggling with ideas or want to make your script more engaging, here's a smarter way: you can leverage AI tools to help create commentary that resonates with viewers.

ChatGpt is a game-changer when it comes to writing commentary scripts quickly and effectively. When you ask ChatGpt to write a commentary script, it's wise to first describe what's happening in the video in your video. Just reference the prompt below:

I'm creating a short commentary video, and here's a quick rundown of what's happening. I need help turning this into a compelling narration script with a strong hook, seamless flow, and a satisfying payoff. Here’s my draft: [describe your video here].

Make a Commentary Video - Generate Script with ChatGPT

Pro Tip: FlexClip offers a powerful AI video script generator. If you're looking to create commentary video footage with AI, FlexClip can help you generate engaging scripts—both for the visuals and the commentary voiceover. Plus, you can use ChatGPT prompts to rephrase, expand, shorten, or regenerate your commentary scripts to suit your style perfectly.

Write Your Commentary Script

Make a Commentary Video - Generate Script with FlexClip AI

Step 3 How to Add Commentary Over the Video (Or Generate Voice with AI)

Once your script is ready, it's time to record the voiceover. You can either record your voice or use an AI voice generator to save time and effort. Both approaches can result in excellent results, depending on your preferences.

Narrate Your Commentary Video by Recording Your Own Voice

If you prefer to record your own voice to narrate your video, just use a voice recording software, like FlexClip's voice recorder, to easily get high-quality audio recording for your commentary narration.

Record Commentary Voice

Make a Commentary Video - Record Your Voice

Narrate Your Commentary Video With AI Voice

Oh no! Always have some unwanted background noise, awkward silences, and filler commentary (um, uh, etc.) in your audio track? Tried to take lots of time and effort to work on the audio track for a high-quality one? Then, the AI text-to-speech voice generator can help you out!

Make a Commentary Video - AI Voice Generator

FlexClip's text-to-speech tool can produce voiceovers much faster and more efficiently than human voice-over artists; it also improves the quality of your commentary voice by using advanced technologies to clean up audio and remove background noise, reducing the need for post-production work. 400 human-sounding AI voices are available, across 140 languages and variants, to make a human-like commentary. You can select the AI voice avatar’s gender, and age and customize the voice pitch, speed, pause, voice styles, and emotions, such as cheerful, angry, friendly, etc.

Generate Commentary Voice with AI

Make a Commentary Video - Generate AI Voice

What's more, you can also try its voice clone feature to easily clone any voice you like and bring your commentary to life in any desired voice!

Step 4 How to Edit the Commentary Video Like a Pro (with effects, captions & overlays)

Well done! You've got your raw video and audio footage for a commentary video. The last step is to edit your video like a pro. Editing is where you can truly take your commentary video to the next level.

FlexClip is also a powerful video editor tool for editing your commentary video. You can use it to cut out any unwanted parts in your video or audio tracks, combine and sync your commentary audio with visuals smoothly, and also add additional effects, like subtitles, annotations, highlights, and funny animated elements, etc.

Edit the Commentary Video

Make a Commentary Video - Edit with FlexClip

Best Features to Edit Commentary Video with FlexClip

Editing your footage can be time-consuming, but it's essential to ensure that your final video is the best it can be. Just turn to FlexClip and explore its powerful features and stunning effects to do your project right now!

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Sandy /

Has year of professional photographing experience. Very much into recording every detail of life. She is passionate about all things related to video production, and loves to exploring tips and tricks about it.