Samurai Jack Season 1 (2001)

I

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.

II

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

III