Mortal Folly
- Episode aired May 2, 2011
- TV-PG
- 10m
The Lich, the greatest form of pure evil in the land of Ooo, is accidentally unleashed. With the highest stakes, Finn and Jake set out on the most serious adventure of their career.The Lich, the greatest form of pure evil in the land of Ooo, is accidentally unleashed. With the highest stakes, Finn and Jake set out on the most serious adventure of their career.The Lich, the greatest form of pure evil in the land of Ooo, is accidentally unleashed. With the highest stakes, Finn and Jake set out on the most serious adventure of their career.