That You? | [s6e19] Is

: Prismo is resurrected, but at a cost: an alternate-reality Jake must sleep for eternity to dream Prismo back into existence. ⚔️ Key Lore & Rewards

This episode is a major turning point for the series' mythology: [S6E19] Is That You?

: The episode clarifies that Prismo is the manifest dream of a sleeping old man. : Prismo is resurrected, but at a cost:

: Finn discovers a "Plan B" left behind by Prismo for his own revival. : Prismo is resurrected