"Costume of Solace" is an episode of Special Agent Oso.
Dotty trains Oso to escape from a flooding room of water without using any of his gadgets save for a flotation vest. During his mission, however, Oso gets trapped in a whirlpool. That is when he gets a special alert. Oso decides to help a girl named Lainie find what she needs to get dressed up like a princess for a tea party.