Uncle Kelbo visits and the kids learn he's also pop star Shakira. He's been using a spell to achieve this, but an infection stops him controlling the transformations.
Someone frames Justin; Alex befriends a rebel girl; Jerry, Max and Harper are stuck on a ride.
Alex and Stevie suggest to Justin that he starts a lunch club where bands play while students are having lunch. When the music is jazz, Alex arranges for a rock band instead.