First broadcast 11th October 2009.

Martin is called to Louisa's new home after she has a dizzy spell while shifting furniture. Martin urges her to slow down, but is shocked to learn that Louisa has applied to be her school's headteacher again.

Martin Clunes Dr Martin Ellingham
Caroline Catz Louisa Glasson
Ian McNeice Bert Large
Joe Absolom Al Large
Selina Cadell Mrs Tishell
John Marquez PC Penhale
Stephanie Cole Joan Norton
Katherine Parkinson Pauline Lamb
Lia Williams Edith Montgomery
Christian Rodska Stu Mackensie
Sara Weymouth School Secretary
Phyllida Law Mrs McLynn
Benjamin Whitrow Mr McLynn
June Marlow Mrs Rudd
Nicholas Boulton Mr Branning
Robert Goodale Patient