or


FBI
Air Date: Monday, May 18, 2026
Time Slot: 8:00 PM-9:00 PM EST on CBS
Episode Title: "Defector"
[NOTE: The following article is a press release issued by the aforementioned network and/or company. Any errors, typos, etc. are attributed to the original author. The release is reproduced solely for the dissemination of the enclosed information.]

THE THEFT OF A BIOWEAPON FROM AN UNWITTING DEFECTOR FORCES THE TEAM TO WORK WITH AN OLD FOE, ON THE EIGHTH SEASON FINALE OF "FBI," MONDAY, MAY 18

"Defector" - The theft of a bioweapon from an unwitting defector forces the team to work with an old foe to secure the lethal pathogen and prevent an outbreak in N.Y.C., on the season eight finale of FBI, Monday, May 18 (8:00-9:00 PM, ET/PT), on the CBS Television Network, and streaming on Paramount+ (live and on-demand for Paramount+ Premium plan subscribers, or on-demand for Paramount+ Essential subscribers the day after the episode airs)*.

WRITTEN BY: Aaron Ginsburg, Ryan Maldonado & Eduwardo Javier Canto

DIRECTED BY: Alex Chapple







FBI (CBS)
BROADCAST HISTORY:
9/25/18 - ???
STATUS:
currently airing (spring 2026)
TIME SLOT:
mondays from 9:00 PM-10:00 PM EST
CURRENT SEASON:
8 (22 episodes)
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ADDITIONAL NOTES:
Seasons 7-9 (2026-27) ordered on 4/9/24
DESCRIPTION:
(from CBS's web site, October 2025) From Emmy Award winner Dick Wolf, FBI is a fast-paced drama about the inner workings of the New York office of the Federal Bureau of Investigation. This elite unit brings to bear all their talents, intellect and technical expertise on major cases in order to keep New York and the country safe. These first-class agents tenaciously investigate cases of tremendous magnitude, including terrorism, organized crime and counterintelligence.
PRINCIPAL CAST INFORMATION:
· Alana De La Garza as Isobel Castille
· Jeremy Sisto as Jubal Valentine
· John Boyd as Stuart Scola
· Lisette Olivera as Syd Ortiz
· Missy Peregrym as Maggie Bell
· Zeeko Zaki as Omar Adom "OA" Zidan
RECURRING/PREVIOUS CAST INFORMATION:
· Connie Nielsen as Ellen Toy (Pilot)
· Ebonée Noel as Kristen Chazal
· Katherine Renee Turner as Tiffany Wallace
· Sela Ward as Dana Mosier
CREW INFORMATION:
· Arthur W. Forney as EP
· Craig Turk as CRTR/EP
· Dick Wolf as CRTR/EP
· Greg Plageman as EP
· Niels Arden Oplev as EP/DIR (Pilot)
· Peter Jankowski as EP
GENRE(S):
· drama
STUDIO INFORMATION:
· CBS Television Studios
· Universal Television
· Wolf Films