Nurse

The nurse from Outnumbered makes two appearances in one in series 2 and another in series 3. She encounters both Ben and Karen Brockman in the hospital. The Nurse has to make very long conversations with Karen in the episode 'The Hospital' about how the treatments will only hurt a tiny little bit and must help Karen understand that it won't hurt at all. And also makes a conversation of how much Ben had been to the hospital.