Continuity mistake: When the Indian and the others are getting away on the van and Cho is holding onto the roof the sun changes between shots.
Continuity mistake: When Cho is explaining to the cop about the shuriken star his friend Dave is on the left side, but before he grabs the falling cup he is behind Cho.
Continuity mistake: When the group of ninjas kills Cho's family one of them cuts the throat of a woman in white, and the amount of blood of that wound changes in few shots later.
Continuity mistake: When Cho is fighting the ninjas in his house in Japan, the sun on the wood floor changes between shots.
Continuity mistake: When Kane breaks the dolls its head moves between shots.