Continuity mistake: In the scene when Ezra rides up behind Aria in the Limo, you can see his hand up to his head, as if on the phone. The camera then cuts to Ezra in the Limo and you see him answer his phone. (00:22:25)
Continuity mistake: Right after Toby tells the girls to keep everything about Elliott Rollins a secret, Aria's hands instantly move from above her knee to below her knee between shots.
The Melody Lingers On - S5-E23
Continuity mistake: When Ashley and Ted are in the kitchen talking about Allison's trial, Ashley's hands go from raised to down by her sides and back again between shots when she says "It's not a way to start a life together."
The Blond Leading the Blind - S2-E17
Continuity mistake: In the flashback to the Halloween party where Alison finds the note from A and removes it from the knife, she is either holding the knife upwards or downwards depending on the shot.
Continuity mistake: When Hannah is kissing Caleb, her hair changes position several times between shots.
Continuity mistake: When Fury and Spencer are playing ping pong there is one scene where Fury is holding the ball and Spencer is empty handed, then as the scene progresses Spencer is also holding a ball.
Continuity mistake: When Jason first appears in the show he is played by Parker Bagley and is portrayed as a proper, motivated and well held, wide structured man, but disappears for a season or so, and is replaced by Drew Van Acker, and is now portrayed as a paranoid druggie, with mental health issues, and a lanky skinny structure.
Continuity mistake: Hanna and Alison are at Hanna's home, when the bell rings. Hanna takes a look through the window directly next to the door, and claims it's just Travis. When she opens the door and goes outside, there is no window visible. At least not any kind that could have seen Travis. It seemed to just have disappeared mysteriously. The transition of shots between the set of hanna's interior and exterior is done very poorly. (00:12:10)
Continuity mistake: Mrs Sullivan circles "nosey bitches" on a paper (someone's file) and the circle is overlapped at the bottom. When the camera moves out the circle changes and is disconnected from the top instead.
Continuity mistake: When Lieutenant Tanner has all the Liars lined up at the station, she says that she's giving them a chance to tell their side of the story before her side becomes the only side. As she says this, Aria can be seen scratching her head in the reflection behind Tanner. In the next shot however, both Aria's arms are suddenly folded.
Continuity mistake: When Spencer visits Yvonne in hospital, the position of Yvonne's tablet on her bed changes between shots.
Continuity mistake: When Ezra asks Aria if she killed Sara, Aria unscrews a bottle of water with her right hand. Ezra then holds her right hand and the bottle cap has vanished. It then returns to the bottle shortly afterwards.
Continuity mistake: The words "I SEE YOU" written on the girls' car at the end of the episode changes handwriting between shots.
Continuity mistake: When Spencer and Emily find the USB stick, there is no cap on the end of it inside the box. When Emily takes it out of the box, there is suddenly a yellow cap on it.
Continuity mistake: When Ezra asks Aria if she killed Sara, Aria unscrews a bottle of water with her right hand. Ezra then holds her right hand and the bottle cap has vanished. It then returns to the bottle shortly afterwards.
Continuity mistake: The words "I SEE YOU" written on the girls' car at the end of the episode changes handwriting between shots.
Continuity mistake: When Spencer visits Yvonne in hospital, the position of Yvonne's tablet on her bed changes between shots.
Continuity mistake: When Hannah is kissing Caleb, her hair changes position several times between shots.
Continuity mistake: When Spencer and Emily find the USB stick, there is no cap on the end of it inside the box. When Emily takes it out of the box, there is suddenly a yellow cap on it.
Continuity mistake: Right after Toby tells the girls to keep everything about Elliott Rollins a secret, Aria's hands instantly move from above her knee to below her knee between shots.