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.

The first episode of Barney's World will debut early on Barney’s YouTube channel, followed by premieres on Max and Cartoon Network.

Harking back to her first on-screen job, Gomez wrapped things up with a sing-along of the “Barney & Friends” theme song. Up to that point, things had been relatively tame.

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 ...