Episode II - The Samurai Called Jack - S1-E2
Revealing mistake: When Jack cuts the flying car's hood off, he slashes it vertically, but it is cut horizontally.
II (The Samurai called Jack) - S1-E2
Continuity mistake: Right before the three-eyed waitress leaves to talk to Aku, there is a shot of an octopus-like bartender, whose facial expression changes in each shot.
Chosen answer: Gotta get back, back to the past...
Rlvlk