Class of the Titans - Season 1 Episode 8 -

When a bad moon rises on All Hallows' Eve, THERESA and the gang find out that HECATE, Queen of the Dead, still has a few tricks up her sleeve. Though Theresa has learned a little magic, Hecate wrote the book on it- like, I mean, what's Theresa supposed to say to stop a legion of ZOMBIES?