Food on the blind students' plates was placed in specific spots so they can find it, but Adam now plops it on their plates without looking at it.
At 4:04 the blind blond boy eating with a fork is really not eating. He just puts the fork up to his mouth and then puts it back on his plate to look like he is getting more food and keeps repeating this until the camera is off him.
Mary remarks as she is speaking with law Professor Mayfield, that when there is a bad law, the court changes it. And the professor agrees with her. Actually, laws can only be changed by a legislative body, not the courts.
Adam is wearing a wedding ring. Wedding bands were not traditionally worn by men until World War 1.
Mary is eating a peanut butter and jelly sandwich on the train, and Charles tells her how she loved it when she was little. Peanut butter, and the subsequent combination of it with jelly was not known about until the early 20th century.
Harriet tells her cousin they have A Waldorf salad. The episode is set sometimes 1880s. Waldorf salad was developed between 1893 and 1896.
During the rain storm, when Adam is running alongside a series of windows, a large red/white golf umbrella can be seen reflected in one of the windows before Adam goes inside.