Watch Kimmel hilariously attack "Baby Shark" above. If you're painfully aware of "Baby Shark" and its catchiness, then just marvel at the fact that a song with minimal lyrics (but 2.1 billion views on YouTube) just accomplished what many artists never will.
The Billboard Hot 100 chart is usually the home of music's biggest stars - and songs.
"Kids' Songs & Stories", 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".
"Baby Shark" has been around for decades, but was given a second life with the 2016 version created by Pinkfong, an educational brand based in South Korea, according to Billboard.