Corrected entry: After being released from Grimhold, Morgana is ready to cast "The Rising" spell. She never actually learned it, or even saw the parchment with the spell, since it was Horvath who took it, then left. Afterwards, Morgana is quickly trapped in Grimhold - it means she doesn't know how to cast this spell, which she actually does like a sorceress supreme.cagi
Corrected entry: It is assumed that Horvath uses the same mirror spell during the car chase that Balthazar used in the bathroom. If that's the case, wouldn't Horvath have been able to bring himself out of the mirror by entering his own reflection as Balthazar and David did in the car? (00:56:00 - 01:14:00)
Corrected entry: In the scene where Dave invites Becky into his metal cage to show her the magic of his Tesla coils, he closes the gate, turns on the music, and hits the go button for the big lightening show. However, the cage they are in is called a Faraday Cage, and it is meant to cancel out or ground out all incoming electro-magnetic energy. There is no way the radio could have been picking up a radio signal inside the Faraday Cage, much less while the Tesla coils were spouting energy around the room. Unless it is on battery power and a CD, of course, but I remember him tuning it into a station. Wikipedia and many other sources will confirm this Faraday Cage.
Corrected entry: The scene at the end of the movie, where Balthazar and Horvath are facing off in Dave's Tesla coil laboratory, has Horvath throwing Balthazar across the room. Balthazar smashes against a large coiled copper contraption, and Horvath makes it curl the pipes around Balthazar's hands so he cannot escape. Balthazar keeps the bad guy talking and freezes the metal tubing, eventually breaking it and getting free. However, this tube is copper tubing. It is commonly used in labs when working with liquid nitrogen. Liquid N2 is at -200 or so degrees Centigrade (-346 F). If that touched his hand for a moment, it would have caused personal damage. Not to mention, copper tube doesn't break at that temperature, not with bare human hands trying to break it.