Continuity mistake: When Ben talks to the driver with unhealthy drinking habits, the shadows of the foliage behind Mark change between shots. (00:30:35)
Continuity mistake: Ben is driving Jules after threatening her driver. During the scene, depending on the camera angle the safety belt sometimes is under the coat's lapel, other times it's away from it. (00:31:45)
Continuity mistake: Ben is driving Jules for the first time. She is talking to her mom on the phone. The mother mentions research. The conversation is in continuity across shots, but Anne Hathaway's fingers on the phone first, then her hair, change position. (00:32:10)
Continuity mistake: The first time we see Jules at home, she gets a glass of wine, but her husband is still passing it in the next shot. (00:36:40)
Continuity mistake: In the close-up of the kitchen isle all set up for the 'Play-Doh challenge', the pink jar is by the hubby's cake, but in the other shots it's next to the kid's. (00:36:45)
Continuity mistake: When Ben dials Fiona's number looking the number up in the card, there's a close-up of his kitchen table where the plates and glasses are in a different position compared to the rest of the scene (the salad bowl touches the paper towel, and the wine glass is off the line between the boards). (00:37:55)
Continuity mistake: When Jules gets in bed with her husband (somehow she wasn't snoring earlier), she exchanges a few words with him and even mentions watching something on Netflix. During this scene her hands change position on the laptop depending on the camera angle. (00:39:10)
Continuity mistake: While sleeping in the bed Matt's head is in the center of pillow, but when Jules gets in the bed, in a closeup Matt's head is now on the edge of the pillow. (00:40:00)
Continuity mistake: When Matt asks Jules to turn off the light on her bedstand, she holds his hand above the wrist, or hand in hand depending on the angle. (00:40:35)
Continuity mistake: Ben is having morning coffee with Jules' hubby and daughter. Paige says that Ben being an intern is "hysterical." Ben nods; the girl is eating a spoonful of her cereal but in the next shot she's just looking at him, the spoon is in her bowl. (00:42:05)
Continuity mistake: Jules ordered some of her own clothes to do some quality control. In the close-up of the box it is shown on the far right of the screen that the person opening the box put also down the lid. The next shot shows Jules with the lid still in hand. (00:42:50)
Continuity mistake: Jules brings her kid to school; in the wide shot there's another kid that walks behind Paige and her and eventually reaches the school's gate, but in the next shot she has to do it all over again. (00:44:45)
Continuity mistake: Jay is telling Ben about his 'progress' with Becky. Davis is listening, hands clasped together. In the next shot ("Right? It was communication!") his pose is different and the hands distant. (00:50:00)
Continuity mistake: Jules is having a beer with her intern; when she grabs a chair, she moves the bottle from the right hand to the left hand as she uses the right hand to open the pizza box, but in the next shot she got it wrong, and she is doing the exact opposite, opening it with her left, beer firmly in her right hand. (00:51:05)
Continuity mistake: Jules reacts to Ben's answer about his previous job asking "phone books?" She already cocked her head in the previous shot (when he said "Dex One"), but she does it again, and when the camera is back on the previous angle, the further change of position is not registered. She also holds the pizza slice at a different height depending on the angle. (00:51:50)
Continuity mistake: When Anne Hathaway is showing Robert De Niro how to use Facebook, she pulls her phone out of her pocket as she asks if he has a photo of himself. When the shot changes for his answer, she pulls the phone out again. (00:53:20)
Continuity mistake: Jules is helping Ben set his Facebook page. When she asks about religious views and such, Ben's bottle of Stella Artois on the desk faces opposite directions between shots. Then he tells her that he finds her inspiring. She drinks her beer as she replies, and the label directly faces the camera under both angles. (00:53:45)
Continuity mistake: In the sequence when Doris nearly has a car accident with her boss, the different angles are shot at totally different times of the days, as made evident by the shadows of the foliage on the asphalt. (00:58:40)
Continuity mistake: Ben has been transferred back to his original position, much to Becky's dismay. Jules drops by to check on the relocation; she is holding the corporate coffee cup with her hand in a different position on it depending on the shot. (01:00:45)