Episode Title:
Marceline the Vampire Queen (Stakes Part 1).
Episode Description:
Marceline asks Princess Bubblegum to cure her vampirism, as she no longer wants to be immortal. Bubblegum performs an experimental procedure to extract the vampiric essence from Marceline's body; as Marceline recovers, the extracted essence gains a will of its own and escapes. Meanwhile, Finn and Jake are called to investigate bloodsucking attacks on livestock; they discover Marceline's extracted essence is responsible, as it has transformed into a vampire. While Finn and Jake chase the vampire, a mob of angry villagers capture Marceline and leave her to be destroyed by the rising sun.
