The Jazzberries must search the House of Jam when their guest xylophone loses his keys.
Ella feels left out when the others decide to march for their performance, forgetting that she has WHEELS!
Billie refuses to slow down her dancing, even though no one else can keep up with her, until their guest fiddle challenges her to a tempo duel.
When Billie’s dad visits, his excitement about being part of a band means she may not get to play the solo she’s been practicing for him.
Billie and Ella have written a birthday song for the House of Jam, but cannot agree on whether it should be played loudly or softly.
When Billie’s biggest fan visits, the Jazzberries ask her to join in their big performance, but Billie doesn’t like the idea because the fan is not a musical instrument.
Ella’s visiting cousin tries to convince the Jazzberries to try playing themselves in new ways, but Ella likes how they already sound.
Louis refuses to rest when the other Jazzberries do, and as a result is dangerously exhausted when it comes time for their performance.
The Jazzberries’ guest harmonica brings a song that no one can stop playing. But how will they perform if they can’t rid themselves of this catchy tune?
As the Jazzberries rehearse for the Masquerade Ball, they discover the House of Jam may be HAUNTED!
The guest clarinet refuses to perform without sheet music, forcing the Jazzberries to notate their improvisational style onto paper.
The Jazzberries think back to how they became a band.
Preparing to receive the Bandleader of the Year Award, Louis is horrified to find that the Jazzberries guest ukulele refuses to tune himself.
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!