Continuity mistake: Larry is eating his lunch in the rabbi's office. He has a piece of chicken from a breast or thigh in his hand and in the next shot showing the rabbi he is holding a drumstick. (00:26:00)
Continuity mistake: When Larry confronts the blonde lady trying to chat and cut in the buffet queue at Jeff and Susie's party, her friend, Brian, has food on his plate initially but not in the next shot. (00:04:25)
Continuity mistake: As Leon and Larry pass the synagogue they pass the same event sign twice. (00:22:40)