First broadcast 28th September 2015.

Louisa and Martin have their first therapy session together - though neither of them was expecting they would be given homework - while Morwenna is not happy about it when a teenager on work experience starts trying to boss her around in the surgery.

Dr Martin Ellingham Martin Clunes
Louisa Ellingham Caroline Catz
Bert Large Ian McNeice
Ruth Ellingham Eileen Atkins
Al Large Joe Absolom
Morwenna Newcross Jessica Ransom
PC Joe Penhale John Marquez
Janice Robyn Addison
Dr Rachel Timoney Emily Bevan
Mrs Tishell Selina Cadell
Peter Cronk Preston Nyman
Jessy Bawden Phoebe Lyons
Mr Bawden Kai Owen
Mr Jarvis Alan David
Clive Tishell Malcolm Storry
Miss Grappy Hannah Arterton
Barney Austin Taylor
Mrs Kelleher Sarah Crowden
Mrs Harris Julie Neubert
Patient Claire Patrick
Mrs Simmons Stephanie Fayerman
Tom Oliver Birch
A&E nurse Laura James
Senior doctor Paul Jacobs
Mrs Cronk Mary Woodvine