Jack finds a booby-trapped labyrinth, in the center of which is a diamond which could send him back to his own time. But a mysterious stranger, who has also entered the maze, could put Jack’s plans in jeopardy.

While continuing on his mission, Jack is followed by an overly friendly creature who accidentally thwarts his every move. To make matters worse, he’s attacked by robotic bounty hunters.

Samurai Jack’s worst fear is realized when he faces off against Aku; the demon makes a shocking discovery about Ashi that puts her in grave danger.

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 Scotsman suddenly discovers Jack aboard a ship with his memory completely blanked out. Refusing to let Jack think he’s an ordinary commoner, the Scotsman sets out to discover what caused the samurai to suffer his amnesia – and stave off bounty hunters after a now defenseless Jack, having forgotten how to wield his sword.

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

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

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.

After accidentally exposing a colony of scientists seeking to escape Earth, Jack trains as an astronaut to protect them from Aku’s robots.

The samurai is plunged into a dystopian world ruled by Aku, adopting the name “Jack”. After getting in a fight at a nightclub, he is hired by a group of canine miners to protect them from Aku’s forces.

Three short stories about some of Jack’s confrontations. He confronts a two-headed riddling worm, a family that feeds on metal, and a gargoyle who is imprisoning a fairy.

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.

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

As he experiences summer, autumn, winter, and spring, Jack must overcome the dangerous foes he encounters during each season.

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.

Aku challenges the Imakandi, regarded as the greatest hunters in the universe, to capture the ultimate prey: Jack.

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 infiltrates a rave party after witnessing the participants stage a riot in a nearby town. It turns out that the DJ is one of Aku’s servants, and has been using his music to hypnotize the local children into becoming his master’s slaves.

Jack uses a stone giant to defeat Mondo-Bot to defend a city of robots.

Jack learns of a powerful wishing well that can return him to the past, but must find a way past the three deadly archers who protect it.

Recognized as a mighty warrior, Jack is guided to a mysterious portal capable of returning him to the past. However, he learns that only one man can use the portal: the man who defeats its unbeatable legendary Guardian. The Guardian defeats Jack but spares him, prophesying that Jack is not yet ready.

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

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.