One of Netflix's most popular shows is a children's series. But the streaming giant is still struggling with young viewers.

Tech Insider
A row of animated children
"CoComelon," an animated show that first debuted on YouTube, is one of the most popular shows on Netflix.

Business Wire/AP

Cocomelon is one of the most popular things on Netflix. Kids watched more than 600 million hours.

Tech Insider
cocomelon character mascot
"JJ", the baby who is the main character of Cocomelon.

John Keeble

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