In a text message from A, the video attached is labeled as "64397.mov", but on the actual video it is shown as "64379.mov," with the last two digits swapped.
During chemistry class, Toby asks Emily "so whose house did you stay at last night?" However, his lip movement doesn't match the words he's saying.
Jenna leans into her reflection in the elevator to apply her lipstick. She's supposed to be blind.
19 minutes & 2 seconds into the show when Spencer is playing Tennis you can quickly & plainly see she still had the ball in her hand after she served.