Broke His Crown

Synopsis
When Ice King's magic crown goes haywire, Marceline and Princess Bubblegum resort to extreme measures to Help him.

Plot
TBA

Major characters

 * Ice King (Simon Petrikov)
 * Marceline
 * Princess Bubblegum
 * Gunther
 * Betty (A.I.)

Minor characters

 * Gunter
 * The Morrow
 * Snail
 * Svein
 * Santa

Mentioned

 * Ash
 * Magic Man
 * Urgence Evergreen

Trivia

 * This is the seventh episode (not counting the gender-swap episodes) in which both Finn and Jake neither appear nor are mentioned, the first being "Princess Day," the second being "Evergreen," the third being "Friends Forever," the fourth being "Be Sweet," the fifth being "Orgalorg," and the sixth being "Varmints."
 * Princess Bubblegum calls Ice King "Simon" for the first time, as requested by Marceline.

Cultural references

 * The episode's title, aside from alluding to the Ice King's malfunctioning crown, may also be a reference to a line in the nursery rhyme "Jack and Jill" ("Jack fell down and broke his crown...").

Episode connections

 * Marceline mentions her breakup with Ash, first talked about in "Memory of a Memory".
 * Simon tells Marceline that he wished he could have been there to punch Ash, which, unbeknownst to him, he already did in "Betty".
 * Gunther makes his first appearance since his debut in "Evergreen".

Storyline analysis

 * It is revealed that others besides Gunther and Simon have worn the crown, and gone insane, including an adolescent named Svein (who only wore it once) and even a so-called "Santa".
 * It is also revealed that the crown is actually a supercomputer, and Simon literally is trying to navigate a labyrinth in his mind.
 * Princess Bubblegum and Marceline seem to have worked past their differences and are now closer, especially after the events of Stakes.