The Ultimate Book of Spells - Season 1 - Eps 22: Big Girls Don't Cry
A giant girl named Ilsa comes to Vonderland and becomes roommates with Cassy. Cassy keeps trying to help her fit in, but Lucretia (one of the evil twins) keeps doing spells behind her back to make it seem like Cassy is making fun of her. Lucretia pretends to be her friend and gets Ilsa kidnapped by Zarlak! The trio have to save her!
About The Ultimate Book of Spells

Title: The Ultimate Book of Spells
First Air Date: 2001-09-12
Last Air Date: 2001-12-05
Status: Canceled
Rating: 6.5/10 (from 2 votes)
Language: EN
Seasons: 1
Total Episodes: 26
Network: CBBC YTV Toon Disney
Genres: Animation, Sci-Fi & Fantasy, Family, Kids
Production Companies: BKN International
Synopsis
Inspired by the popular Harry Potter book and movie series, the show presents a trio of "wizards-in-training" at an enchanted private school run by Miss Crystalgazer. Cassy is a junior witch, Gus is a half-elf/half-human junior wizard, and Verne is a promising "mortie", i.e. a non-magical human. With the guidance of the talking Ultimate Book of Spells (aka UBOS), the three have to battle the evil wizard Zarlak, who's trying to steal all of the world's spells.
Cast

Ron Halder
UBOS (voice)

Janyse Jaud
Cassy (voice)

Cathy Weseluck
Vern (voice)

Michael Dobson
Prince Erbert / Snap the Dragon (voice)