Esmerelda attempts to give the powers back to the stone and Miss Cackle allows the pupils to play magical tricks on the staff without fear. The girls use the Family Trees to try and find out how the Founding Stone was re-ignited the last time. Halloween celebrations mask magical mayhem as the castle starts to freeze. Someone makes a surprise sacrifice.
Elenco: Bella Ramsey , Meibh Campbell , Jenny Richardson , Miriam Petche , Dagny Rollins , Shauna Shim , Kacey Ainsworth , Clare Higgins , Wendy Craig , Raquel Cassidy .