Lars the Double-necked Guitar needs power to play, but the huge light-show Billie has prepared has blown the House of Jam’s generator.
RC works to hide the truth from the Jazzberries when Flash the Turntables uses a sample from an embarrassing song he had hoped to never hear again.
A pair of Alien Castanets inadvertently join the jam after Billie mistakes their spaceship for a disco ball, and Buddy makes it his mission to communicate with them, though they speak only by clacking.
Louis is shocked when their neighbor, Sal the Trumpet turns down an offer to join the jam, and becomes driven to find out the reasons why.
The Drum Bros return from a drum swap with another band, but find that the Jazzberries seem to have fallen in love with the Bongo Twins who had taken their place.
When the Jazzberries each discover they are missing something, suspicion falls on Tesla the Theremin, a magician whose specialty is making things disappear.
After bragging about her enormous repertoire, Ella is horrified when the Jazzberries select a song she doesn’t know for their upcoming show.
Krupa must decide whether or not to leave the Jazzberries when he gets an offer to appear as permanent sidekick on Mike the Reporter’s talk show.
Billie struggles to teach Kaz the (short-attention span) Kazoo about music, in time for her to perform at that night’s show.
With Louis’ mom coming, the Jazzberries prepare to play her favorite song, but when Juan the One-Man Band keeps suggesting different genres, no one can agree on what might be the best way to play it.
Princess Persephone the Harp joins the jam, but alienates everyone with her demanding and diva-like ways. Will they get it together in time for their Royal Command Performance, or will the Princess end up performing all alone?
When noise from a new trolley line interrupts performances, the Jazzberries want it gone, but it was Ella’s hard work that brought the trolley in the first place, and she is not giving it up without a fight.
When founding Jazzberry Angie the Voice visits, everyone assumes she is coming out of retirement but are shocked when she notifies them that they are being kicked out of the House of Jam!