When Aku is reborn to set forth his reign of terror, the Emperor's son is sent off to learn the ways of the samurai. That boy becomes a man and attempts to slay Aku with a mighty sword, but Aku banishes him to the future.

The Samurai lands in the future and is named Jack. He is enlisted by a race of dogs to destroy Aku.

Jack gets weapons and beats back Aku's army of beetles saving the canine race.

Jack helps free the Woolies from the tyrannical Chritchellites.

When Jack mistakenly destroys a group of scientists' chance to escape Aku, he and the scientists join forces to try and fix the problem, hopefully returning Jack home as well.

Jack and a mysterious woman go on a quest in an attempt to resolve their personal goals.

Jack meets up with Mad Jack and must battle his darker self.

Jack has an underwater adventure with a jelly-whale and sea monkeys while hunting for an ancient time portal.

Jack goes through a cave full of challenges only to find an old warrior longing to reach Valhalla.

When Jack and a Scotsman meet on a never-ending bridge, they end up shackled together and on the run from bounty hunters.

Jack hooks up with some Chicago gangsters to try and get close to Aku.

Aku tells fairy tales to the children to try and win them over to his side instead of Jack's.