“Baby Shark,” the wildly popular children's YouTube video that dives into a song about sharks, landed on the Billboard Hot 100 chart this week.

The song, which was shared on the channel, “Pinkfong! Kids’ Songs & Stories” and has more than 2.1 billion views, landed in the number 32 spot, the list showed.

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The video kicked off by taking the viewer beneath the ocean’s surface before a boy appeared to sing “Baby shark, doo doo doo doo doo doo.” The song’s lyrics continued in a similar way, changing the words to other family members like “Mommy shark” and “Grandpa shark.”

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The tune was initially shared online in 2015 by South Korean company SmartStudy, which has created kid-friendly clips under Pinkfong’s umbrella, The New York Times said. After reportedly undergoing a remix, it was shared again in June 2016.

It gained popularity in the U.S. last year following the onset of a social media challenge which encouraged listeners to record themselves busting a move to it.