The BEST episodes of FBI: International season 4

Every episode of FBI: International season 4, ranked from best to worst by thousands of votes from fans of the show. The best episodes of FBI: International season 4!

Follows the elite operatives of the Federal Bureau of Investigation’s International Fly Team as they travel the world with the mission of tracking and neutralizing threats against American citizens, putting their lives on the line to protect the U.S. and its people.

Last Updated: 3/28/2025Network: CBSStatus: Continuing
Veritas Fidelis
star
7.88
234 votes

#1 - Veritas Fidelis

Season 4 - Episode 11 - Aired 2/11/2025

When an American student is found dead at a prestigious UK university, the Fly Team, with the help of former team member Katrin Jaeger, investigates an infamous secret society. Smitty’s personal history with the school comes to a head when she’s confronted with the same old-world elitism.

Directors: Yangzom Brauen
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They May Get Their Wish
star
7.85
182 votes

#2 - They May Get Their Wish

Season 4 - Episode 15 - Aired 3/18/2025

When a televangelist on the FBI’s most wanted list surfaces in Gibraltar to seek asylum, the Fly Team’s attempts to take him down hit a roadblock as they face political stonewalling upon arrival to the region. When the predatory preacher goes after the daughter of a disciple as his next target, the team must abandon protocol to intervene.

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Blood Doesn’t Become Water
star
7.84
218 votes

#3 - Blood Doesn’t Become Water

Season 4 - Episode 12 - Aired 2/18/2025

The Fly Team leads an international manhunt when an American woman and her new husband flee from Baltimore to Istanbul with her young son after a heinous murder. Also, Vo partners up with Special Agent Riley Quinn, who was not only sent to Budapest to work her first big case alongside The Fly Team but to also clandestinely investigate a member of the team.

Directors: Michael Katleman
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You've Been Greenlit
star
7.82
212 votes

#4 - You've Been Greenlit

Season 4 - Episode 13 - Aired 2/25/2025

When an American businessman is gunned down in Bratislava, the Fly Team must work with an unscrupulous local detective while safeguarding the sole witness, a fearful tourist from Wisconsin being held by police. Meanwhile, Quinn begins to feel pressure from her brother to deliver information on Mitchell.

Directors: Attila Szalay
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The Kill Floor
star
7.81
243 votes

#5 - The Kill Floor

Season 4 - Episode 9 - Aired 1/28/2025

A member of the Fly Team goes missing as the hunt for Greg Csonka continues in Paris. Meanwhile, Vo’s life hangs in the balance after being shot.

Directors: Alex Zakrzewski
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You'll Never See it Coming
star
7.81
253 votes

#6 - You'll Never See it Coming

Season 4 - Episode 8 - Aired 12/17/2024

When the star witness in the case against Greg Csonka, the man responsible for the death of Wes' former partner, is beaten to death in a Budapest prison before he can testify, the Fly Team attempts to salvage the case to secure Csonka's conviction.

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Keep Calm and Deliver the Biotoxin
star
7.78
228 votes

#7 - Keep Calm and Deliver the Biotoxin

Season 4 - Episode 10 - Aired 2/4/2025

When a Russian biochemist is assassinated for trying to defect with his highly sensitive biotoxins research, the Fly Team springs into action to protect his daughter, whose father’s last wish was that she get his research to a trusted American microbiologist. Meanwhile, Mitchell stays behind to help Vo during her recovery, and Booth clashes with Smitty when he finds out she could jeopardize his promotion.

Directors: Steve Robin
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A Winged Lion for Protection
star
7.78
198 votes

#8 - A Winged Lion for Protection

Season 4 - Episode 14 - Aired 3/11/2025

After a young American woman is brutally murdered in Venice, the Fly Team is met with hostility when they discover that their person of interest has ties to a well-connected Italian family. Soon, the case gets even more complicated when the CIA Station Chief shows up with an agenda of his own. Meanwhile, pressure mounts on Quinn to deliver intel on Mitchell.

Directors: Avi Youabian
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The Future's Looking Bright
star
7.75
277 votes

#9 - The Future's Looking Bright

Season 4 - Episode 5 - Aired 11/19/2024

When an American man is kidnapped in Poland alongside a Ukrainian woman he met on a dating site, the team heads to Poland to track down the mastermind behind the site.

Directors: Loren Yaconelli
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A Leader, Not a Tourist
star
7.73
306 votes

#10 - A Leader, Not a Tourist

Season 4 - Episode 1 - Aired 10/15/2024

The Fly Team is introduced to Supervisory Special Agent Wesley “Wes” Mitchell when his partner is shot in Los Angeles and the suspects flee to Budapest, sending Mitchell overseas.

Directors: Michael Katleman
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The Unwinnable War
star
7.73
262 votes

#11 - The Unwinnable War

Season 4 - Episode 4 - Aired 11/12/2024

The deputy inspector general calls on Tate, who is fluent in Spanish, to take on her first undercover field mission, joining Wes and the team in Spain as they investigate a seemingly dirty U.S. Drug Enforcement Administration special agent working out of Madrid.

Directors: Milena Govich
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The Other Hard Part
star
7.70
293 votes

#12 - The Other Hard Part

Season 4 - Episode 2 - Aired 10/22/2024

When a U.S. ambassador is taken hostage at a TV station in the Netherlands alongside 70 civilians, the Fly Team is forced to work quickly to find out who they're up against. Meanwhile, Wes works to earn the respect of his new team.

Directors: John Behring
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They Paid More
star
7.68
262 votes

#13 - They Paid More

Season 4 - Episode 6 - Aired 12/3/2024

When a bus full of American volunteers is hijacked in a dangerous section of Morocco, the team works to locate the missing aid workers and the people who kidnapped them.

Directors: Michael Katleman
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Keen as a Bean
star
7.64
258 votes

#14 - Keen as a Bean

Season 4 - Episode 7 - Aired 12/10/2024

Wes' former colleague enlists the Fly Team's assistance in helping him capture an American on the FBI's "Most Wanted" list by luring him out of Russia with the help of his conflicted ex-wife.

Directors: Brenna Malloy
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Nothing Sudden About It
star
7.63
268 votes

#15 - Nothing Sudden About It

Season 4 - Episode 3 - Aired 10/29/2024

When an American teenager disappears from a beach party during her senior year trip to Portugal, the Fly Team heads up the search, which is further complicated by the missing teen’s parents’ differing opinions.

Directors: Avi Youabian
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