The Biennial Gumball Ball is a fictional event held in the Candy Kingdom by Prince Gumball. Gumball asks Fionna to go to it with him as his "pal" in "Fionna and Cake." Later in the episode he asks Fionna to come with him as his girlfriend. Jelly Kinders are used as decorations for the event. Later on in "Fionna and Cake," Candy People, Marshall Lee, and Lumpy Space Prince are seen at the event.