FBI Season 8 Episode 22 Photos “Defector” OA’s Future Is in Doubt – Airs Tonight on CBS

The FBI Season 8 Episode 22 finale airs tonight as Maggie Bell (Missy Peregrym), OA Zidan (Zeeko Zaki), and the team race to stop a catastrophic bioweapon outbreak in New York City while OA’s future with the team hangs in the balance.

With global stakes, a dangerous outbreak threat, and OA’s future with the team suddenly in question, FBI Season 8 Episode 22 looks set to deliver a high-stakes season finale packed with major twists and emotional fallout.

A stolen bioweapon, a dangerous old foe, and OA’s uncertain future collide tonight — scroll down for all the FBI Season 8 Episode 22 photos from the season finale, “Defector.”

TUNE-IN DETAILS

Airs tonight Monday, May 18 (8:00–9:00 PM ET/PT) on CBS.

Streaming: Paramount+ (live and on demand for Paramount+ Premium subscribers; on demand the next day for Paramount+ Essential subscribers).

EPISODE CREDITS

Written by: Aaron Ginsburg, Ryan Maldonado & Eduardo Javier Canto
Directed by: Alex Chapple

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Previous Episode: https://seat42f.com/fbi-season-8-episode-21-photos-long-shot/
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FBI CAST

The series stars Missy Peregrym as Special Agent Maggie Bell, Zeeko Zaki as Special Agent Omar Adom “OA” Zidan, Jeremy Sisto as Assistant Special Agent in Charge Jubal Valentine, Alana De La Garza as Special Agent in Charge Isobel Castille, and John Boyd as Special Agent Stuart Scola.

The series remains a staple inside the Dick Wolf television universe, delivering procedural storytelling with strong character investment and weekly tension.

FBI UNIVERSE

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FBI Season 8 Episode 22 Photos “Defector”

FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT).  Pictured (L-R): Missy Peregrym as Special Agent Maggie Bell, Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan, and Alana De La Garza as Special Agent in Charge Isobel Castille. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT). Pictured (L-R): Missy Peregrym as Special Agent Maggie Bell, Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan, and Alana De La Garza as Special Agent in Charge Isobel Castille. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT).  Pictured: Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT). Pictured: Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT).  Pictured: Alana De La Garza as Special Agent in Charge Isobel Castillel. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT). Pictured: Alana De La Garza as Special Agent in Charge Isobel Castillel. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT).  Pictured: Juliana Aidén Martinez as Eva Ramos. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT). Pictured: Juliana Aidén Martinez as Eva Ramos. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT).  Pictured (L-R): Missy Peregrym as Special Agent Maggie Bell, Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan, John Boyd as Special Agent Stuart Scola, and Juliana Aidén Martinez as Eva Ramos. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT). Pictured (L-R): Missy Peregrym as Special Agent Maggie Bell, Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan, John Boyd as Special Agent Stuart Scola, and Juliana Aidén Martinez as Eva Ramos. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT).  Pictured: John Boyd as Special Agent Stuart Scola. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT). Pictured: John Boyd as Special Agent Stuart Scola. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT).  Pictured (L-R): Juliana Aidén Martinez as Eva Ramos and John Boyd as Special Agent Stuart Scola. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
FBI Season 8 Episode 22 Season Finale “Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT). Pictured (L-R): Juliana Aidén Martinez as Eva Ramos and John Boyd as Special Agent Stuart Scola. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
“Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT).  Pictured (L-R): Missy Peregrym as Special Agent Maggie Bell and Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
“Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT). Pictured (L-R): Missy Peregrym as Special Agent Maggie Bell and Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
“Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT).  Pictured (L-R): Juliana Aidén Martinez as Eva Ramos and John Boyd as Special Agent Stuart Scola. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
“Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT). Pictured (L-R): Juliana Aidén Martinez as Eva Ramos and John Boyd as Special Agent Stuart Scola. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
“Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT).  Pictured (L-R): John Boyd as Special Agent Stuart Scola, Juliana Aidén Martinez as Eva Ramos, Missy Peregrym as Special Agent Maggie Bell, and Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
“Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT). Pictured (L-R): John Boyd as Special Agent Stuart Scola, Juliana Aidén Martinez as Eva Ramos, Missy Peregrym as Special Agent Maggie Bell, and Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
“Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT).  Pictured: Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
“Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT). Pictured: Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
“Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT).  Pictured (L-R): John Boyd as Special Agent Stuart Scola and Juliana Aidén Martinez as Eva Ramos. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.
“Defector” — CBS Original Series FBI, scheduled to air on Monday, May 18 (8:00-9:00 PM, ET/PT). Pictured (L-R): John Boyd as Special Agent Stuart Scola and Juliana Aidén Martinez as Eva Ramos. Photo: Bennett Raglin/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.