Blade of Grass Adventure Time : Season 5 Episode 45
TV-PG Cartoon Network 23m
Aired: January 20th, 2014 @ 3:00 AM EST on Cartoon Network
Finn and Jake decide it's time for Finn to get a new sword. Finn reluctantly buys a grass sword from a mysterious old man, but the sword turns out to be cursed! And unfortunately for our hero, all sales are final.
