NCIS has ended an era 20 years after Ziva David's memorable debut, ushering in a new one with Alden Parker's story in Season 23's premiere.

For four "NCIS: Tony & Ziva" episodes, both Tony DiNozzo (Michael Weatherly) and Ziva David (Cote de Pablo) have suspected their Interpol pal Henry Rayner-Hunt (James D'Arcy) was secretly a villainous ...

The finale begins after Tony and Ziva learn that their daughter Tali (Isla Gie) is missing, which audiences know is because she's been kidnapped by the show's villain, Jonah Markham (Julian Ovenden).

After a dramatic finale, the first season of NCIS: Tony & Ziva came to an end on Oct. 23. The 10-episode season reunited Michael Weatherly as Anthony “Tony” DiNozzo and Cote de Pablo as Ziva David.