A graduate nurse drives a wedge between Den and Kim, and Hilary's elaborate new hand washing protocols hardly help matters. Pippa suffers the indignity of re-applying for her own job. Luckily, Kim and Den find a way of cheering things up, even if Dr Moore may not see the funny side.

• Joanna Scanlan
• Vicki Pepperdine

• Joanna Scanlan
• Peter Capaldi
• Tobias Menzies