Saul claims that Issa was killed along with 82 of his classmates, but earlier it was stated that the total number of children killed was 82, not 83.
Estes, a CIA official and civil servant (not a presidential appointee), attends a closed partisan political gathering at the Vice Presidential residence, a career-destroying violation of the Hatch Act.
Brody introduces himself as a "Sergeant" in the Marines and is addressed as such, both times while wearing the insignia of a gunnery sergeant, which is two ranks higher than sergeant.
Brody is running for Congress while remaining a uniformed member of the Marine Corps on active duty. The scriptwriters appear unaware that this is highly illegal and would result in immediate court-martial.
The shadow of a cameraman is visible on the door when Carrie calls for her pills and Virgil walks in.
After Nicholas Brody confronts Carrie outside the police station for the last time, Carrie turns and walks to her sister's van. As she does so, the clip for Claire Danes' body microphone can clearly be seen over her right-hand back pant pocket.
In the first shot of the Vice President's motorcade arriving at the State Department, a Charlotte-Mecklenburg police cruiser is shown blocking traffic while a DC police cruiser drives by.
When Mrs. Samler goes through the roadblock to get home, an I-77 sign is clearly visible. The show is set in and around Washington DC, with I-77 nowhere nearby, but it does run through Charlotte NC, where the show was actually filmed.