Our heroes finally make it to Daybreak Town for Dawn's next Pokémon Contest, where they suddenly come across a Plusle and Minun who happen to belong with one of Dawn's rivals, Ursula. The two cute Pokémon scare Dawn half to death, which perplexes the rest of our heroes. Dawn explains that when she was in kindergarten, she was part of a team responsible for taking care of the class Plusle and Minun. Once, they zapped her for chasing them around and then holding them a bit too tight, making her hair stand on end and sparkle, prompting the nickname "Diamond Dandruff," or "Dee Dee" for short. Ursula overhears this story and taunts Dawn with it, vowing to beat her in the Daybreak Contest.
Since it's a Double Performance, all Coordinators use two Pokémon. Dawn's Piplup and Buneary prove masterful, sending Dawn on to the second round, along with Jessilina (Jessie in disguise) and Ursula. Ursula assures Dawn she'll beat her in the upcoming round. But Dawn, with renewed confidence after her successful performance, has ideas in mind!
As her Mamoswine and Cyndaquil were under oncore. Dawn comes with a idea and tells them both to attack each other. As said her pokemon start to attack each other doing that,the oncore is removed and Mamoswine and Cyndaquil get back to thier status and defeat Plusle and Minun.
Mike Pollock reprises his role of Raoul Contesta.
Bella Hudson fills in for Rhonda Krempa as Kenny for the thirteenth season.