Continuity mistake: When Carl Denti grabs Roberto's face, his thumb is near the corner of Roberto's lips. When the shot changes, his thumb is now on Roberto's cheek.
No Regrets - S1-E5
Continuity mistake: After Beelzebub tells the board that she has a new idea, she walks away after being told she can sit at table nine. In this shot, she has only one flower in her hair instead of three flowers like it should be. In the next shot, she has three flowers in her hair again. (00:08:54)