at the 38 minute mark ,when libby pours coffee for estabrooks masters, one angle has the cup on the table, the other angle has estabrook holding the cup.
When Vivian is talking to Ethan about her awkward teenage years, she states she had "teeth like Mr. Ed". Season 1 takes place between 1956 and 1958 but the TV show "Mr. Ed" did not premier until 1961.