The cartoon's creator, Craig McCracken, wrote a Beatles tribute episode for a special anniversary.
Timing is everything, particularly in animation.
Up to this point, Bubbles, Blossom and Buttercup, the kindergarten-age superheroines known as the Powerpuff Girls, have seemed invincible. Not all of the episode's gags and references are verbal. So does a familiar-looking police official named Sgt. On top of it all, though, is the Beatles-infused musical score. I read a lot and looked into anything I could find on the recording of 'Sgt.