Emerald Princess first appears in "Prisoners of Love," when she is kidnapped by Ice King. She also appears in "Loyalty to the King," where she is one of the princesses who wants to meet the Nice King (Ice King). Emerald Princess is one of the princesses that gets rejected by Nice King. She makes a cameo in the episode "Ricardio the Heart Guy," when Ricardio is giving Lumpy Space Princess a Best Friend Massage. She also makes a cameo in "Mortal Recoil" as one of the people following Princess Bubblegum into the hospital, and in "Wizard Battle," she is in the audience of the event. In "The Lich," the gem from her crown was taken by Finn and Jake as she slept. It is shown in "Princess Day" that she is considered a registered princess.