Ducky: I've learn't as much as I can from the dead. Time to start listening to the living. (00:34:20)
Singled Out - S4-E3
Abby: Awh, You and the director make cute Gibbletts Gibbs. (00:24:50)
Singled Out - S4-E3
Tony DiNozzo: And if you find anything, make sure you call Gibbs. Not me. (00:14:20)
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