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FBI S8E19 — Fidelity

7.9

FBI•Season 8•Episode 19

Fidelity

7.9/10 · 251 votesApr 27, 202643 min

Ranked #9 of 22 in Season 8•+0.2 vs season avg

When an FBI evidence locker is robbed, leaving behind a dead ERT agent, the team discovers a vigilante duo looking to take down a high-scale pedophile ring. Meanwhile, Isobel meets the new Assistant Director in Charge.

Directed byPeter Stebbings

Written byBryce Ahart, Stephanie McFarlane

Previous episodeE18 · Behavior Next episodeE20 · Roleplay

Seasons9

All 1 2 3 4 5 6 7 8 9

Cast6

Missy Peregrym

Missy Peregrym

Maggie Bell

Zeeko Zaki

Zeeko Zaki

Omar Adom 'OA' Zidan

John Boyd

John Boyd

Stuart Scola

Jeremy Sisto

Jeremy Sisto

Jubal Valentine

Alana de la Garza

Alana de la Garza

Isobel Castille

Juliana Aidén Martinez

Juliana Aidén Martinez

Eva Ramos

Crew3

B

Bryce Ahart

Writer

S

Stephanie McFarlane

Writer

Peter Stebbings

Peter Stebbings

Director

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Episode Summary

"Fidelity" is episode 19 of FBI season 8. It scored 7.9/10 from 251 votes, ranking #9 of 22 episodes this season (season average 7.7). Directed by Peter Stebbings and written by Bryce Ahart, Stephanie McFarlane, it aired on April 27, 2026.

Next: E20 · Roleplay Best of Season 8