When Gregory pours his liquor, the glass moves from left to right on the desk before touching it.
A little girl makes a walker fall to his knees by kicking it in the groin.
In some of the scenes where Deborah May is holding the gun to Alanna Masterson's head, Ms. May has her thumb directly behind the slide of her semi-automatic handgun. If she fired the weapon like this, it would likely break her thumb.
Contrails are seen over Hilltop.
When Tara had been to Oceanside before, armed women were guarding the perimeter and had been instructed to shoot/fight intruders immediately. Here, women are all within the camp, aren't carrying guns, and (except two) don't resist when they are invaded.
Despite a main plot point being the scarcity of ammunition, Rick's group uses automatic fire to stop a few walkers.
Carl continues to aim and shoot guns as if he can still see with his missing eye.