After Ben and Gwen misbehave in the shopping mall, Grandpa Max leaves them at a daycare to "cool off". Soon enough, the pair come face-to-face with Nanny Nightmare, a twisted nanny who wants to re-educate everyone by turning them into babies.
Tropes in this episode:
- Fountain of Youth: Nanny Nightmare's weapon of choice.
- Not Now, We're Too Busy Crying Over You: Max reunites with the kids just as they thought he'd been Reduced to Dust.
- Rapid Aging: Nanny Nightmare is made even older by the end of her plan.
