First broadcast 26th April 1986.<br /><br />When a mischievous young girl - who has cried wolf too often - claims that she was locked in a dungeon, her teachers suspect she is protecting a prankster.<br /><br />Rosalind March - Miss Dawkins<br />Petar Vidovic - Serge<br />Joanna Dukes - Sara Johns<br />Margaret Whitin - Mrs. Walker <br />Don Warrington - Nigel<br />Leslie Ash - Fred<br />Neil Morrissey - Trevor<br />Tracy-Louise Ward - Tessa<br />Jill Gascoine - Maggie Forbes<br />Oliver Cotton - Stefan Johns<br />Penelope Wilton - Angela Lane<br />Guy Standeven - Duty Officer
