We're done wondering who let the dogs out. Now, it's all about how Homer let the Barts out to create havoc in Springfield.

A song about Homer Simpson letting a group of Barts loose on the town is going viral across TikTok and Reels, and it's inspiring a massive wave of memes, including AI-generated music videos.

But who even made the song, and why is it going so viral? Here's what we know.

@rabadoonga THE BARTS ARE FREE HOMER LET THE BARTS OUT FOR GOOD THIS TIME #homer #bart #thesimpsons #brainrot #tungtungtungsahur ♬ original sound – Homer Let The Barts Out Co.

What Is The 'Homer Let the Barts Out' Meme?

Back in mid-May 2026, TikToker rabadoonga posted a Simpsons-themed song set to an AI-generated music video that went on to gain about a million views in just over a month.

The song is about Homer letting "the Barts" out of the home, and the video shows them wreaking havoc in Springfield.

While the video boasts a lot of views, it didn't really blow up until early July 2026, when several other TikTokers latched onto it.

It was reuploaded on Instagram Reels and X that month, expanding its reach and turning it into a full-blown meme trend.

@rabadoonga Homer let the barts out😭 #fyp#brainrot#bartsimpson #thesimpsons#homersimpson ♬ original sound – Homer Let The Barts Out Co.

How Is 'Homer Let the Barts Out' Used In Memes?

As a meme, "Home Let the Barts Out" has become a beloved song and the subject of a huge wave of AI-generated and animated music videos.

These videos all tend to show many Bart Simpsons marching together and taking over Springfield, while Homer struggles to control them.

Other memes include lip dubs in which users lip-sync to the video, covers where users sing the song to the best of their ability and even a few remixes.

@wakala_wakala homer lets the barts out 🫩 #stupid #animation #bart #thesimpsons #brainrot ♬ sonido original – WAKALA

What Are Some More 'Homer Let the Barts Out' Memes?

@fatguynamedbigcheezy #homerletthebartsout #homer #bartsimson #fyppppppppppppppppppppppp #viralvideo ♬ original sound – fatguynamedbigcheezy

@rabadoonga Guys. SNICKERS BART IS IN THE HOUSE‼️ Guys can i get some opinions on Snickers Bart hes shy but analytical🔥 #thesimpsons #homerletthebartsout #bart #brainrot #snickers ♬ original sound – Homer Let The Barts Out Co.

@just_.animations Homer let the barts out ✌️😂#funny #fyp #viral #bartsimson #meme ♬ original sound – Niccen

@i.am.not.a.gamer homer let the barts out 😢 | animation #homersimpson #thesimpsons #fyp #animation #brainrot ♬ original sound – gamer

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For the full history of Homer Let the Barts Out, be sure to check out Know Your Meme's encyclopedia entry for more information.