Near the end of the episode after Ephram's dad picks him up from school they arrive home and in a few shots there is no license plate on the car. It reappears a few scenes later.
Delia is a third grader but Julia says she is 4 years old. Third grade children are typically age 7-8.
The pendulum has stopped on the wall clock inside the old train depot, likely because they did not want the sound on camera in the studio.
When Ephram is playing piano, the sound we hear doesn't match his fingers' movements.
When talking to his son, Dr Brown would have asked more questions about the kid in the coma.