When threatening a man for information on Renegade, Blaine says he has 16 doses of the zombie cure, however when he stole them from Ravi there were only 15 doses.
When Liv watches "Casablanca" on TV, the 1.37 image is cropped to 16x9. (If she had erroneously set the aspect ratio to fill the screen, the image would have been stretched out.) In 2018, no TV network or channel would broadcast the movie this way.