Maddie is devastated when she loses her twin charm bracelet that Liv had given her; however, when Liv tries to make her feel guilty, Maddie decides to teach her a lesson. Meanwhile, Joey's feelings are hurt when Parker gets a new cool older brother.

Liv realizes she has a crush on Holden, but Andie asks him to prom before Liv can. With Diggie away, Karen arranges for Rooney cousin Craig to take Maddie to prom but when he arrives they realize that he has reinvented himself into an illusionist named Kraghh the Insidious.

Liv rallies together a band, The Dream, to compete in the upcoming Stevens Point Battle of the Bands contest. Joey and Artie form a band too, but they can't seem to agree on anything.

Liv and her band mates are stumped and can't agree on a theme for their new music video. They enlist Parker to shoot the video with his new camera and Diggie enthusiastically signs on to join his crew.

Liv and Holden share a special moment as they rehearse for an upcoming performance. Meanwhile, Reggie ditches Parker for a chance to play basketball with Maddie.

Maddie and Diggie try to "out-fun" each other at a local music festival as Liv tries to help Andie get over her breakup.

Liv tries to help her new co-star Josh feel more comfortable in Stevens Point while the rest of the school prepares for Cowbell Week, a Stevens Point tradition.

When Parker gets bumped up a few grades, he starts attending high school with Liv, Maddie and Joey! The older siblings now have to deal with him being good at everything.

A new coach arrives to take charge of the girls' basketball team and immediately butts heads with Maddie. Meanwhile, when Liv agrees to help Parker with his art project, her date with Holden takes an unexpected turn.

"Voltage" is taking up all of Liv's time, but when The Dream is asked to reunite for a fundraiser, Liv is determined to make it happen. Meanwhile, Maddie tries to figure out where to go to college.

Liv is not too happy when Joey lands a part on “Voltage.” Meanwhile, when Karen finds out that Andie's dad, Mr. Bustamante, disapproves of Dump Truck, they team up to change his mind. Josh has been really depressed since his split with Maddie and Liv realizes having Joey around cheers Josh up so gets him a small role in Voltage, but he takes it too far.

Liv undergoes vocal surgery and is unsure if she'll ever be able to sing again, so Karen and Maddie call in reinforcements to help. Meanwhile, Parker and Val are surprised by their competition in the Mars Madness finals.