Barney

Barney & Friends is an American children’s television series targeted at young children aged 2–7, created by Sheryl Leach. The series premiered on PBS on April 6, 1992. The series features the title character Barney, a purple anthropomorphic Tyrannosaurus rex who conveys educational messages through songs and small dance routines with a friendly, huggable and optimistic attitude.

https://en.wikipedia.org/wiki/Barney_%26_Friends