[s3e5] Too Young Apr 2026

: Fans often list this as a "Required" episode for understanding the overarching plot of the series. Where to Watch

Following the events of "Mortal Recoil," Princess Bubblegum has de-aged to 13 years old because there was not enough "candy biomass" to restore her to her full 18-year-old self. [S3E5] Too Young

: Realizing the kingdom is suffering, PB decides she must return to her 18-year-old self. The candy citizens provide pieces of their own candy biomass to "fatten her up." She reverts to her adult form, immediately reassumes the throne, and fires Lemongrab. : Fans often list this as a "Required"

: Lemongrab proves to be a tyrannical and socially inept ruler, sentencing candy citizens to "reconditioning" and the dungeon for minor infractions. Finn and PB attempt to prank him into leaving, but their efforts fail. The candy citizens provide pieces of their own

is the fifth episode of the third season of Adventure Time , originally airing on August 8, 2011. It is a critical "lore" episode that introduces one of the series' most iconic antagonists, the Earl of Lemongrab , and explores the changing dynamic between Finn and Princess Bubblegum (PB). Episode Plot Summary

: The Earl of Lemongrab, a high-strung and screeching creation of PB, arrives to claim the throne. He argues that because PB is now "too young" to rule, he is the rightful heir.