Sorcerer's Apprentice - Series 3 - Episode 12

Eight remaining sorcerers are fighting for magic school survival in silence. The boys are trying a transposition trick making loose silks magically switch places with the top of an umbrella. On the other side of the corridor the girl's trick sees them picking flowers from an empty paper bag. The secret to silent magic is good characterisation and strong storylines and the silent battle for survival will take place in front of an audience of librarians. Which sorceree will find silence is golden?