Cote de Pablo recalled her "heartfelt' goodbye to costar Michael Weatherly when she left 'NCIS' in 2013 at a recent 'NCIS: Tony & Ziva' screening event.

“It’s complicated.” That’s the best way to describe Tony ( Michael Weatherly) and Ziva’s ( Cote de Pablo) relationship in their NCIS spinoff, now streaming on Paramount+. (The first three episodes dropped on September 3, and the rest of the season will drop weekly on Thursdays.)

Below, Cote de Pablo breaks down the first three episodes of NCIS: Tony & Ziva, that steamy flashback scene between Tony and Ziva, the "love" their characters share, and how she and Michael Weatherly developed a new rhythm and chemistry built on the connection they already shared.