Updated on May 8, 2025, by Andrea Sandoval: The most popular cartoons have in common that their timeless themes appeal to ...

However, I’m also now noticing that ... some entertainment—and why not the list that’s right below, of 2021’s most popular cartoons (on Instagram)?

As it stands right now, Avatar: The Last Airbender is the most popular series on Netflix in ... this is a 15 year-old Nickelodeon cartoon that is so ancient it’s still in the 4:3 ratio format ...