Adventure Time › Season 2

S2 E24: Mortal Folly

When the Lich is accidentally freed from its amber prison in Princess Bubblegum's Castle, Finn and Jake must head forth to stop it from regaining its full power, all while being pestered by the Ice King to give him their blessing to marry Princess Bubblegum.

Air date	May 2, 2011
Runtime	11 minutes
TMDB rating	★ 7.8/10