Desc: Silent Movie: Directed by Linda Day. With Melissa Joan Hart, Caroline Rhea, Beth Broderick, Nate Richert. When Sabrina's evil vice principal, who is also Zelda's boyfriend, comes over for dinner, Sabrina and Hilda put "silent spells" on themselves to keep them from saying anything rude. Except, as Sabrina is later told by their talking black cat, Salem, when two silent spells are cast in the same household at the same time, the house becomes a silent movie.