Fifty-five years ago, preschoolers were captivated by the TV performance of a fuzzy blue monster, two striped shirt-wearing best friends and a big yellow bird. Today, in the now-crowded field of ...

CoComelon, from Candle Media-owned Moonbug Entertainment, originated on YouTube where it continues to be among the most popular channels. It also has been the top preschool title on Netflix, fueling ...