Continuity mistake: When the Batwoman is fleeing at the very beginning of the movie, she is shot at by her pursuers from below. The shot, represented by a yellow streak, is then seen coming from above before it strikes the vehicle she is on.
Continuity mistake: When Ash and friends are astonished by the view they find at night, Brock is holding his guidebook, but in the next shot, the book disappears. (00:04:04)
Continuity mistake: When Earl de Darkwood is holding a phone on the plane, his earring appears in his left ear. Later when he is shown exiting the limousine, the earring is now placed in his right ear. (00:19:30)