Tags: NCIS Season 13

CBS president officially announced that 'NCIS' Season 13 will continue for seasons 14 and 15. With that being said, '24' alum Sarah Clarke has been cast to return as a series regular in the upcoming season and the 20th episode synopsis is released.

CBS announced that they are currently on a casting call for an actor to fill in Michael Weatherly's exit in 'NCIS' Season 13. Also, the official plot description of episode 20 is released and last week's episode 19 is recapped here.

Scottie Thompson's Jeanne may return in ‘NCIS’ Season 13. Ziva David is also speculated to reappear.