“Unfinished Business” – After Rina is critically wounded while heading to work with Jubal, the team makes the chilling discovery that a vengeful Vargas (David Zayas) orchestrated the shooting from behind bars and continues to target the rest of their team and their loved ones, on the CBS Original series FBI, Tuesday, Dec. 14 (8:00-9:00 PM, ET/PT) on the CBS Television Network, and available to stream live and on demand on Paramount+*. Pictured (L-R) Jeremy Sisto as Assistant Special Agent in Charge Jubal Valentine and Alana De La Garza as Special Agent in Charge Isobel Castille Photo: David M. Russell/CBS ©2021 CBS Broadcasting, Inc. All Rights Reserved

"Know Thyself" -- The team hunts for a serial killer who is targeting young, homeless men. Also, Tiffany and Scola don't see eye to eye on how to handle the case or the difference between partners and co-workers, on the CBS Original series FBI, Tuesday, Oct. 12 (8:00-9:00 PM, ET/PT) on the CBS Television Network, and available to stream live and on demand on Paramount+. Pictured (L-R) John Boyd as Special Agent Stuart Scola, Katherine Renee Turner as Special Agent Tiffany Wallace and James Roch as Terrence Photo: David M. Russell/CBS 2021 CBS Broadcasting, Inc. All Rights Reserved

"Walk the Line" - After a bomb leaves three people dead, the team presses a reluctant informant to gather information from his close friends who are under suspicion. Also, OA finds tension in his relationship with his girlfriend, Mona (Yasmine Aker), when they clash on where the informant's rights lie, on FBI, Tuesday, March 9 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Pictured John Boyd as Special Agent Stuart Scola Photo: Michael Parmelee/ ©2021 CBS Broadcasting, Inc. All Rights Reserved.