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.
Professor Oak's Pokémon lecture: Mantine
In Dawn's flashback about her kindergarten days, the teacher tells a tale to the students about a Buneary and a Turtwig, which mimics the fable The Tortoise and the Hare.
Mike Pollock returns to his role as Raoul Contesta while Billy Beach takes over the role of Mr. Sukizo (due to the departure of Craig Blair from the series).
In the episode, Dawn's Piplup returns to his Poké Ball again temporarily.
During her performance, Jessie uses an Arbok-shaped flute, which is possibly a reference to the Arbok she once had.
Which One ~ Is It? returns to its original animation.
Music from Pikachu's PikaBoo, Gotta Dance, Lucario and the Mystery of Mew, and Giratina and the Sky Warrior is played during this episode.
An instrumental version of By Your Side ~Hikari's Theme~ is played during Dawn's appeal round.
Team Rocket doesn't blast off or recite their motto in this episode.
In the beginning of the episode, when Team Rocket are talking to each other, Wobbuffet makes a noise, preceded by a Poké Ball sound. At this time, however, Wobbuffet was already outside of its Poké Ball.
If the episode is viewed in slow motion or frame by frame, one can see that for one frame, there is an animation error during the flashback- Plusle's round cheeks disappeared.
Ursula's Jigglypuff has green eyes, similar to the Shiny artwork. Dawn's Pokédex also displays a Jigglypuff with green eyes. This variation in Jigglypuff's anime artwork compared to its official Sugimori is not an isolated occurrence.
During the appeal montage, a Chingling and a Chimecho are both seen using Sing despite neither being able to legally learn the move.
Dawn's nickname of "Dee Dee" is explained as an abbreviation of "Diamond Dandruff".
The song that Jessie plays is different.
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