\" \" The insanely addictive song 'Baby Shark' made its splash at No. Baby Shark Youtube Video\"Baby Shark,\" the super-catchy (some say, super-annoying) children's song became the most-watched YouTube video ever in early November 2020. This comes more than a year after \"Baby Shark\" cracked Billboard's Top 40 in January 2019. 32 on Billboard's Hot 100 Top 40 thanks in large part to its gaudy YouTube video, dance-along routine, and of course, the infectious \"doo doo doo doo doo doo\" line that intrudes on your brain space and never, ever leaves (sorry). But \"Baby Shark\" isn't the first kid's song to reach the hallowed stomping grounds of legends like Michael Jackson and Ariana Grande.