S04E18: Fear Nothing
OA is forced to confront one of his biggest fears when the team discovers that deadly sarin gas may have been sold to terrorists.
Previous Episode 
Season 1
Pilot
S1E1 / 25 Sep 2018
Green Birds
S1E2 / 02 Oct 2018
Prey
S1E3 / 09 Oct 2018
Crossfire
S1E4 / 16 Oct 2018
Doomsday
S1E5 / 23 Oct 2018
Family Man
S1E6 / 30 Oct 2018
Cops and Robbers
S1E7 / 13 Nov 2018
This Land Is Your Land
S1E8 / 20 Nov 2018
Compromised
S1E9 / 04 Dec 2018
The Armorer’s Faith
S1E10 / 11 Dec 2018
Identity Crisis
S1E11 / 15 Jan 2019
A New Dawn
S1E12 / 22 Jan 2019
Partners in Crime
S1E13 / 12 Feb 2019
Exposed
S1E14 / 19 Feb 2019
Scorched Earth
S1E15 / 26 Feb 2019
Invisible
S1E16 / 12 Mar 2019
Apex
S1E17 / 26 Mar 2019
Most Wanted
S1E18 / 02 Apr 2019
Conflict of Interest
S1E19 / 16 Apr 2019
What Lies Beneath
S1E20 / 30 Apr 2019
Appearances
S1E21 / 07 May 2019
Closure
S1E22 / 14 May 2019
Season 2
Little Egypt
S2E1 / 24 Sep 2019
The Lives of Others
S2E2 / 01 Oct 2019
American Idol
S2E3 / 08 Oct 2019
An Imperfect Science
S2E4 / 15 Oct 2019
Crossroads
S2E5 / 22 Oct 2019
Outsider
S2E6 / 05 Nov 2019
Undisclosed
S2E7 / 12 Nov 2019
Codename: Ferdinand
S2E8 / 19 Nov 2019
Salvation
S2E9 / 26 Nov 2019
Ties That Bind
S2E10 / 17 Dec 2019
Fallout
S2E11 / 07 Jan 2020
Hard Decisions
S2E12 / 14 Jan 2020
Payback
S2E13 / 21 Jan 2020
Studio Gangster
S2E14 / 28 Jan 2020
Legacy
S2E15 / 11 Feb 2020
Safe Room
S2E16 / 18 Feb 2020
Broken Promises
S2E17 / 10 Mar 2020
American Dreams (I)
S2E18 / 24 Mar 2020
Emotional Rescue
S2E19 / 31 Mar 2020
Season 3
Never Trust a Stranger
S3E1 / 17 Nov 2020
Unreasonable Doubt
S3E2 / 24 Nov 2020
Liar's Poker
S3E3 / 08 Dec 2020
Crazy Love
S3E4 / 24 Jan 2021
Clean Slate
S3E5 / 26 Jan 2021
Uncovered
S3E6 / 09 Feb 2021
Discord
S3E7 / 02 Mar 2021
Walk the Line
S3E8 / 09 Mar 2021
Leverage
S3E9 / 16 Mar 2021
Checks and Balances
S3E10 / 06 Apr 2021
Brother's Keeper
S3E11 / 27 Apr 2021
Fathers and Sons
S3E12 / 04 May 2021
Short Squeeze
S3E13 / 11 May 2021
Trigger Effect
S3E14 / 18 May 2021
Straight Flush
S3E15 / 25 May 2021
Season 4
All That Glitters (I)
S4E1 / 21 Sep 2021
Hacktivist
S4E2 / 28 Sep 2021
Trauma
S4E3 / 05 Oct 2021
Know Thyself
S4E4 / 12 Oct 2021
Charlotte’s Web
S4E5 / 02 Nov 2021
Allegiance
S4E6 / 09 Nov 2021
Gone Baby Gone
S4E7 / 16 Nov 2021
Fire and Rain
S4E8 / 07 Dec 2021
Unfinished Business
S4E9 / 14 Dec 2021
Fostered
S4E10 / 04 Jan 2022
Grief
S4E11 / 11 Jan 2022
Under Pressure
S4E12 / 01 Feb 2022
Pride and Prejudice
S4E13 / 22 Feb 2022
Ambition
S4E14 / 08 Mar 2022
Scar Tissue
S4E15 / 22 Mar 2022
Protective Details
S4E16 / 29 Mar 2022
One Night Stand
S4E17 / 12 Apr 2022
Fear Nothing
S4E18 / 19 Apr 2022
Face Off
S4E19 / 26 Apr 2022
Ghost from the Past
S4E20 / 10 May 2022
Kayla
S4E21 / 17 May 2022
Season 5
Hero's Journey
S5E1 / 20 Sep 2022
Love Is Blind
S5E2 / 27 Sep 2022
Prodigal Son
S5E3 / 04 Oct 2022
Victim
S5E4 / 11 Oct 2022
Flopped Cop
S5E5 / 18 Oct 2022
Double Blind
S5E6 / 06 Nov 2022
Ready or Not
S5E7 / 15 Nov 2022
Into the Fire
S5E8 / 22 Nov 2022
Fortunate Son
S5E9 / 13 Dec 2022
Second Life
S5E10 / 03 Jan 2023
Heroes
S5E11 / 10 Jan 2023
Breakdown
S5E12 / 24 Jan 2023
Protégé
S5E13 / 14 Feb 2023
Money for Nothing
S5E14 / 21 Feb 2023
The Lies We Tell
S5E15 / 28 Feb 2023
Family First
S5E16 / 14 Mar 2023
Imminent Threat (II)
S5E17 / 04 Apr 2023
Obligation
S5E18 / 11 Apr 2023
Sins of the Past
S5E19 / 18 Apr 2023
Sisterhood
S5E20 / 25 Apr 2023
Privilege
S5E21 / 09 May 2023
Torn
S5E22 / 16 May 2023
God Complex
S5E23 / 23 May 2023
Season 6
All the Rage
S6E1 / 13 Feb 2024
Remorse
S6E2 / 20 Feb 2024
Stay in Your Lane
S6E3 / 27 Feb 2024
Creating a Monster
S6E4 / 12 Mar 2024
Sacrifice
S6E5 / 19 Mar 2024
Unforeseen
S6E6 / 26 Mar 2024
Behind the Veil
S6E7 / 02 Apr 2024
Phantom
S6E8 / 09 Apr 2024
Best Laid Plans
S6E9 / 16 Apr 2024
Family Affair
S6E10 / 23 Apr 2024
No One Left Behind
S6E11 / 07 May 2024
Consequences
S6E12 / 14 May 2024
Ring of Fire
S6E13 / 21 May 2024
Season 7
Abandoned
S7E1 / 15 Oct 2024
Trusted
S7E2 / 22 Oct 2024
Détente
S7E3 / 29 Oct 2024
Doubted
S7E4 / 12 Nov 2024
Pledges
S7E5 / 19 Nov 2024
Perfect
S7E6 / 03 Dec 2024
Monumental
S7E7 / 10 Dec 2024
Riptide
S7E8 / 17 Dec 2024
Descent
S7E9 / 28 Jan 2025
Redoubt
S7E10 / 04 Feb 2025
Shelter
S7E11 / 11 Feb 2025
Manhunt
S7E12 / 18 Feb 2025
Unearth
S7E13 / 25 Feb 2025
Hitched
S7E14 / 11 Mar 2025
Acolyte
S7E15 / 18 Mar 2025
Covered
S7E16 / 01 Apr 2025
Lineage
S7E17 / 08 Apr 2025
Blkpill
S7E18 / 15 Apr 2025
Partner
S7E19 / 22 Apr 2025
Startup
S7E20 / 06 May 2025
Devoted
S7E21 / 13 May 2025
A New Day
S7E22 / 20 May 2025
Season 8
Takeover
S8E1 / 13 Oct 2025
Captured
S8E2 / 20 Oct 2025
Boy Scout
S8E3 / 27 Oct 2025
Manifest
S8E4 / 03 Nov 2025
Falsetto
S8E5 / 10 Nov 2025
Parental
S8E6 / 17 Nov 2025
Fadeaway
S8E7 / 01 Dec 2025
Ratlined
S8E8 / 08 Dec 2025
Lone Wolf (1)
S8E9 / 15 Dec 2025
Wolf Pack (2)
S8E10 / 15 Dec 2025
Confetti
S8E11 / 23 Feb 2026
Daybreak
S8E12 / 02 Mar 2026
Fanatics
S8E13 / 09 Mar 2026
Forgiven
S8E14 / 16 Mar 2026
Crusader
S8E15 / 23 Mar 2026
3 Up, 3 Down
S8E16 / 30 Mar 2026
Shahadah
S8E17 / 13 Apr 2026
Behavior
S8E18 / 20 Apr 2026
Missy Peregrym
Maggie Bell
Zeeko Zaki
Omar Adom 'OA' Zidan
John Boyd
Stuart Scola
Jeremy Sisto
Jubal Valentine
Alana de la Garza
Isobel Castille
