What will happen to Gibbs’ father in the new season of NCIS? What happens to Allison ... On whether September marks the return of M. Allison Hart (Rena Sofer): “She’s not in the premiere.

We’ve talked at great length about the mystery of Rule #51, the endgame of M. Allison Hart, the motives of the Reynosa cartel and Gibbs’ big decision on tonight’s NCIS season finale.

READ MORE: NCIS season 18 spoilers: Gibbs to 'burn rule 12' as fans spot key clue Who has been the most annoying character in NCIS? Margaret Allison Hart Defense attorney Margaret Allison Hart ...