SnowPC01

When Opportunity Comes a-Knockin' (機会が訪れたとき Kikai Ga Otozureta Toki) is the first episode of Snow halation pretty cure!. It features the girls of Tennen Komachi becoming Pretty Cure for the first time, and their different reactions to it.

Summary
Sonic runs away from Eggman and jumps into a pool, he stinks so he ruins Honoka and Umi's day. Nozomi broke up with Shizuka so Sonic brightens up Nozomi's day.

And then Eggman summons an evil monster so the girls become Pretty Cure. They fight the monster, and it explodes to snow.

Koemi is mad at the eternal winter so she is deciding to close down the school and close down applications. The pool and all outdoor activities are closed for the Summer. Eli is mad at Koemi for trying to close down the school, but Koemi says that they are in the snowiest area of town, and they have to close down for the students' safety.

Meanwhile, Honoka, Nozomi and Umi are trying to convince Eli and the school that it's their fault for the town to be covered in snow, but Eli doesn't believe it. Sonic tells the girls that they are not allowed to reveal their Pretty Cure identities, so they're sad.

Umi decides she shouldn't ever be a Pretty Cure, but she constantly gets thoughts about it. Honoka is concerned about the school closing, but she immediately finds a replacement: UTX High. Honoka's mom is sad about this, but Yukiho says that she has to go to UTX, and Honoka reluctantly agrees. Nozomi won't give up, the cards tell her she has to convince Eli that she's a Pretty Cure sooner or later.

The episode ends with Nozomi, Honoka, and Umi screaming in confusion.

Pretty Cure

 * Kosaka Honoka/Cure Flurry
 * Tojo Nozomi/Cure Celeste
 * Sonoda Umi/Cure Purity

Sonic

 * Sonic the Hedgehog
 * Doctor Eggman

Humans

 * Minami Koemi
 * Ayase Eli
 * Minami Kotori
 * Kosaka Yukiho
 * Kuromiya Shizuka