Episode Title:The Vault.Episode Description:Finn begins having nightmares about the Green Lady, an apparition that he saw during the events of the season three episode "The Creeps". Undergoing regression analysis, Finn soon learns that the ghost is connected to a girl named Shoko (voiced by Isabelle Fuhrman), who was one of his past lives. Shoko stole an amulet from Princess Bubblegum during the beginnings of the Candy Kingdom. Upon learning this knowledge, Finn is able to right the wrong that was done in his past life.