House of Anubis S1, E15

When one of their number disappears on the same day that an American girl joins their ranks, a group of English boarding school students embarks on solving a mystery.

Cast:Jade Ramsey , Brad Kavanagh , Eugene Simon , Alex Sawyer , Tasie Lawrence , Francis Magee , Ana Mulvoy Ten , Paul Antony-Barber , Nathalia Ramos , Mina Anwar , Bobby Lockwood , Klariza Clayton , Burkely Duffield , Julia Deakin , Frances Encell , Roger Barclay , Louisa Connolly-Burnham , Alexandra Shipp