Centuries ago, the demon Aku is accidentally released by Jack’s father, who receives a magic sword from the gods. Eventually, he uses the same sword to imprison Aku beneath the earth.

The prince and princess of an alien planet are imprisoned by Aku when they come to Earth seeking his assistance and only Jack can rescue them.

Angered by the failure of his bounty hunters and mercenaries to defeat Jack, Aku uses the samurai’s inner darkness to create an evil clone whose sole purpose is to destroy him.

While investigating the destruction of several scattered villages, Jack learns that Aku’s new “ultra-bots” are responsible. Unable to destroy them, he receives assistance from an unexpected source: their creator.

Aku sends his servant Demongo, a demon who captures and enslaves the souls of warriors to serve him, to destroy Jack.

Jack searches for truth by climbing the “Mountain of Fatoom” with three monks.

While crossing a seemingly endless bridge, Jack runs into the Scotsman: a robust, if impulsive, stereotypical Scottish warrior who also wields an enchanted sword and would rather duel with Jack than peacefully negotiate a way for both of them to safely cross. After realizing that Aku has placed bounties on both of them, however, they […]

When Aku catches a cold and spreads it to Jack, Jack is accidentally infected with Aku’s evil. Jack desperately seeks out a cure before Aku’s essence transforms him into the monstrosity himself.

Jack is transformed into a chicken after bumping into a cranky wizard and winds up being captured by a greedy man (Luther Creek) who seeks to turn him into a prizefighter.

Seeking to end their struggle, Aku proposes a one-on-one duel between him and Jack, with neither combatant using their magic abilities. Jack agrees, but Aku’s honesty is unclear.

A gravely injured Samurai Jack chooses to create his own fate by going up against the deadliest foes he’s ever faced, Assassins from the Cult of Aku.

Aku, an evil shape-shifting demon, devastates a young prince’s land in Medieval Japan, and his parents send him into exile. After years of intensive training, the prince receives a mystical sword and samurai’s robes, and frees his people from Aku’s minions. He then defeats Aku in battle, but before striking the final blow the latter […]

Aku sends the Shinobi, a deadly assassin, to kill Jack, who must use his own martial arts to survive.

Five of the world’s greatest bounty hunters gather to compete for the chance to kill Jack. A sixth hunter, revealed to be the princess of a fallen kingdom, persuades the group to work together instead.