“Straight Flush” — When five prominent men are killed at a trendy New York City restaurant, the team’s investigation brings them into contact with a lieutenant in Antonio Vargas’ cartel, triggering a long-awaited showdown between Isobel and Vargas. David Zayas returns as Vargas, on the third season finale of FBI, Tuesday, May 25 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Pictured Alana De La Garza as Special Agent in Charge Isobel Castille Photo: Michael Parmelee/ ©2021 CBS Broadcasting, Inc. All Rights Reserved.

"Liar's Poker" - When the leader of a drug cartel and one of the world's most wanted men, Antonio Vargas (guest star David Zayas), is apprehended by the team, the entire FBI headquarters is put at risk when his henchmen unveil a terroristic threat to free him. During the turmoil, Isobel must make the difficult decision whether to sacrifice her conscience or her career, on FBI, Tuesday, Dec. 8 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Pictured (L-R) Missy Peregrym as Special Agent Maggie Bell and Zeeko Zaki as Special Agent Omar Adom ‘OA’ Zidan Photo: Michael Parmelee/ CBS 2020 CBS Broadcasting, Inc. All Rights Reserved.