In the opening titles for each show, the FBI seal in the floor as Sue walks into the office has the motto "Fidelity, Bravery, Justice" in the ribbon below the shield. The real motto in the FBI seal is be "Fidelity, Bravery, Integrity".
Opening scene and flashes of "FBI" building show flags with 35 stars.
In the pilot episode, the receptionist at the rescue is seen handing Sue paperwork, along with a red leash and collar to indicate that Levi is a service dog. Except for the episode in which Jack and Sue portray newlyweds to catch a terrorist, Levi is never seen wearing the collar, nor is the leash seen.
In several episodes you can see restaurants only available in
Canada and once a specific Toronto location.
The series is set in Washington DC, however on several occasions you see Toronto cabs in the background (Beck Taxi - Distinct Green & Orange).