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.
Pretty Little Liars (2010)
1 continuity mistake in Grave New World
Starring: Lucy Hale, Ashley Benson, Sasha Pieterse, Shay Mitchell
Careful What U Wish 4 - S1-E14
Other mistake: During the scene after the fund raising dance when Lucas offers to take Hanna home, she calls him Ian when she says that she is going home with Emily and Spencer. Even if she says "I kind of promised them", the subtitles say Ian.
Trivia: The theme song for the show, 'Secret' by The Pierces, was suggested by Ashley Benson.