Audio problem: When Dave (Dylan O'Brien) and Aubrey (Britt Robertson) Are walking to her house after they first met at the party they are filming from a wide shot and you can hear both characters talking but their mouths are not moving.
Audio problem: When villain says "Well done, I'm impressed" the words don't match what he says and are a clear overdub. (00:34:10)
Audio problem: Throughout the entire film, much of the audio is inaudible, and in several key scenes (including most scenes set in cars), you can hear a loud sort-of "crunchy" and windy sound from the microphone.
Audio problem: When they are showing the commercial for bottled air the guys clink their bottles together as if they were glass, but after the commercial the ones who made the commercial suggested that their research shows if you put something in a plastic bottle, people will buy it. (00:11:00)
Audio problem: Eric's mouth doesn't move when he says, "There's no way you guys could be cops." (01:20:52)
Audio problem: When Jacob and Bella are in the car, on the way to Charlie's, Jacob is laughing about "Dracula 1 and Dracula 2" being "creepy." He lets out a huge loud, chuckle in the audio, yet the audio doesn't match his mouth, as his mouth is merely in a tight grin.
Audio problem: When Randall is shooting cannons and saying, "I love this job!" her mouth isn't moving.
Audio problem: When Joe is telling Old Joe that he'll never meet his wife in the future to prevent her death, a shot from behind Joe is shown, where he says "she'll be safe", but his jaw is never shown moving along with the line. (00:48:15)