Adventure Time (2010)
S5E45 Blade of Grass
Episode Overview
Finn and Jake conclude that Finn needs an upgraded sword. Hesitant but ultimately swayed, Finn purchases a grass sword from an enigmatic old man. To his dismay, he soon discovers that the sword is cursed! To make matters worse, the old man informs him that all purchases are final, leaving our hero in quite the predicament.
HD
S5