Ep 14. Princess Day

In the world of Adventure Time, Princess Bubblegum declares Princess Day, an annual holiday celebrating all the princesses in the Land of Ooo. The episode chronicles the events that unfold on Princess Day, as all the princesses gather together to celebrate their unique identities and strengths, as well as to compete in a series of challenges to determine who will be crowned "Best Princess."

The main plot centers around the relationship between Princess Bubblegum and Marceline the Vampire Queen, who are both invited to participate in the festivities. Throughout the episode, they struggle to reconcile their feelings for each other and their conflicting views on what it means to be a princess.

Meanwhile, other princesses like Lumpy Space Princess, Flame Princess, and Slime Princess also compete in various challenges, including a talent show, a race through a deadly labyrinth, and a battle against a giant monster. While some princesses prove to be more successful than others, all of them ultimately come together to celebrate their shared identity and purpose.

The episode features a range of familiar characters from the Adventure Time universe, including Finn the Human, Jake the Dog, and the Ice King, as well as several new princesses who are introduced for the first time. Additionally, the episode explores themes of identity, friendship, and self-discovery, as each princess grapples with their unique place in the world and tries to define what it means to be a princess.