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

Armed with various weapons and traps, Jack single-handledly defeats Aku’s “beetle-bots”. He subsequently vows to fight the demon’s oppression until he can return to the past.

The source of Jack’s amnesia is discovered in three beautiful sirens, whose bewitching song can hypnotize the strongest warrior.

Jack teams up with some gangsters to try to get close to Aku. The only way to do it is to get a mystical jewel guarded by three elementals.

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.

While ascending a mountain, Jack encounters a hidden society of warriors who have fought a nearly 500-year war against an army of robots and offers to help them put an end to it.

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 […]

Jack survives a series of traps and encounters a Viking king transformed into a giant rock figure by Aku, who insists that Jack slay him in battle so that he can reach Valhalla.

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.

Out of weapons and pursued relentlessly by the masterful seven Daughters of Aku, Jack faces what may be his final confrontation.

Jack is captured and taken to the “Dome of Doom”, where he forced to fight as a gladiator against the Dome’s champions.

Jack rescues a baby from hungry ogres, but then trying to find the child’s mother while caring for it and protecting it may be his greatest challenge. During the episode, Jack retells the story of Momotaro to the baby.

Samurai Jack fights to save a village from a horrible fate.

Jack helps free the Woolies from the tyrannical Chritchellites. In return, the leader of the Woolies bestows his wisdom upon Jack.

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.

When Jack hears rumors of a time portal being found in the underwater city of Oceanus, Jack sets out to the city and is welcomed by its Triceraquins, but is unprepared for a terrible surprise.

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

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 leads Jack into a cursed graveyard, where he is attacked by an army of undead warriors. Jack defeats them, but then discovers Aku’s true plan: kill Jack with his own sword.

Aku summons the three immortal servants of Set to destroy Jack while he travels through Egypt. To destroy them, Jack must assemble a golden scarab using clues from his time as a young boy.

X-49, a retired robot hitman, is blackmailed by Aku into coming out of retirement to hunt down Jack.

Upon stumbling onto the ruins of his family’s estate, Jack recalls some of his childhood memories.

Jack is attacked by two monks, who he realizes are members of the order he once trained with. Their master informs Jack of an ancient temple that can send him home, but which is protected by an army of stone warriors.

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.