Continuity mistake: When finding out she killed Bethany, Mona's eye make up is ruined from her crying. However in the next shot she's in, her make-up is totally on point.
Bloody Hell - S5-E21
Continuity mistake: When Hannah is in her kitchen talking to her mum about Ted, one of the daffodils in the vase that Hannah's mum was preparing is suddenly no longer in its original position after Hannah takes a bite out of her apple.
Continuity mistake: When Emily and Aria are contemplating climbing out of the window and down the trellis to get help, they hear Alison scream and the broken window slams down completely; the shot briefly changes then the window is shown half-way up.
