Sigridur for PBS.
I challenge you to keep this song out of your head. Peter Hannan, the producer of these interstitial animations, is also the song writer, and he knows how to crafty an incredibly bouncy, fun, and sticky song. Years later, I still find myself humming this one on an elevator.
Direction: James Braithwaite
Producer: Peter Hannan
Animation: Pyramid Attack and James Braithwaite
Art Direction: James Braithwaite
Art: James Braithwaite and Mitchell Keys
Colour: Mitchell Keys