Continuity: Anthony's backpack during the I feel you secene keeps changing positions: Under the bench, slightly out, totally away, etc.

Continuity: During the "Worst pies in London" song, Mrs. Lovett drips the pie filling into the crust, and it fills the crust up to a bit over the top. In another shot, she rolls on the pie top, but the filling is much less than before, not even to the top of the crust.

Continuity: When Sweeney kills Turpin, his forehead is covered in blood. Half a second later there's just a tiny spot.

Continuity: After Ms. Lovett says "Oh, a client", the knife she stabs on the counter and the blob of flour change positions.

Other: In the scene right before Sweeney and Turpin sing 'Pretty Women', Sweeney has the line "and who may it be said is your intended sir?" If you look closely, you can see Turpin mouth the line as Sweeney says it.