Billie Eilish and FINNEAS Write a Hit Song with Kids

Celebrity Substitute – Season 1

When Billie Eilish and FINNEAS drop by Garvanza Elementary, things get chilly in the best way. Together with the students, they write an original hit called "I'm Just a Polar Bear"—and it’s as adorable as it sounds. Watch the ultimate collab unfold as Billie, FINNEAS, and the kids turn classroom chaos into musical magic!