Revealing mistake: When the guy tied to the chair falls over, he uses his right arm to break his fall, then places it behind his back again after he lands.
Continuity mistake: While Bishop and Torres are locked in the two jail cells, Bishop knocks out the glass from her barred window, but when Torres breaks the old toilet and says, "I really think we're stuck in here," Bishop's cell window glass is perfectly intact - we can see the reflection of all the bars. (00:07:10)
Visible crew/equipment: When Gibbs and Ellie are at Demint's property gate his daughter drives up, and when Margot gets out of her car the two red and pink T-marks (plastic type) are visible on the ground by Ellie's feet. (00:12:45)
Answer: I hadn't seen the backdoor pilots yet but while it wasn't explicitly stated, at least onscreen, I heard somewhere Vivian got either fired from NCIS due to jeopardizing a case, got resigned from the agency, or transferred to the FBI.
Raykvega423