Tre dygn med nanny säsong 4

With their three-year-old daughter Bella totally ruling the roost, the Vernons, in the Wirral, have turned to nanny Kathryn Mewes in desperation. Simple tasks, like getting dressed or brushing teeth, are a guaranteed trigger for a tantrum.

In Luton, two-year-old Sebastian is literally banging his head against the wall in frustration. This toddler will also hit, bite and kick to get his parents' attention. Mum and dad feel powerless to control him. Can nanny Kathryn Mewes help?

In Lincoln, for the first time in her career, Kathryn Mewes comes face-to-face with parents she feels lack the fundamental skills for the role.