When Joe and Wally talk, the position of the chopsticks in Joe's food in his hand, and the position of the carton once he puts it on the table, changes between shots.
When Barry gets dressed after his medical exam, we see him with his sports coat completely on in one shot, and the following shot shows him pulling it on.
Barry tells Patty that he's upset because New Years is when his mother died, but in the first episode of this season it's stated Nora Allen died in March, two months after New Years.