Watch the extended theme song music video HERE The theme song for Barney’s World is a nod to the original tune viewers know and love, but with an updated melody and lyrics.

Mattel, Inc., a leading global toy and family entertainment company and owner of one of the most iconic brand portfolios in the world, today revealed the official trailer and extended theme song ...

The theme song for Barney’s World is a nod to the original tune viewers know and love, but with an updated melody and lyrics. Mattel knows that being a kid can come with big emotions, and it is ...