Special Agent Oso: Costume of Solace

Dotty trains Oso to escape from a flooding room of water without using any of his gadgets except a flotation vest. During his mission Oso gets trapped in a whirlpool. Then he gets a special alert. A girl named Lainie is stuck indoors on a rainy day, and her mum suggests she can have a make believe tea party. Lainie wants to dress up like a princess, but she doesn't have a princess costume. Can Oso help her find what she needs to get dressed up like a princess before the tea party?