When Benton is reviewing applicant files, the clerk tells how to find applications for 2004. A previous post labeled this as a goof because "this would have been three years after the episode is set chronologically." There was no error. Benton asks for last year's files and the clerk clearly states they are listed by year of expected graduation. Expected graduation is in four years.
Dr Finch mentions that if kids stop getting vaccinated they could contract various serious diseases including smallpox. However, due to a global effort, the smallpox virus was eradicated in 1980 and now only exists in secure labs.