Health Scare - S3-E6
Continuity mistake: When Lavernia gets knocked out by Francis during their fight, her head is turned to her left. A shot later, her head is turned to her right.
Continuity mistake: When Lois fights with the woman in the mud puddle, the tug of war rope is seen dropped on the ground, and then tense again. This alternates between close and far shots.
Hal Coaches - S3-E16
Continuity mistake: After Malcolm pushes the computer off his desk, you can see it still on the desk in the next shot, when he says "this means nothing." (00:17:17)
Answer: It is made up - although it is implied she is Croatian, she never mentions it herself.