Episode
FBI: Behavior
Overview
When a single mother and her son are abducted while visiting a state park, Maggie brings in Peter Olsen to help profile their suspect. But as the team works, they make a harrowing discovery about an old case.
Details
- Series
- FBI
- Season
- Season 8
- Episode
- Episode 18
- Air date
- 2026-04-20
- Runtime
- 43 min
Episode context
Behavior is Episode 18 in Season 8 of FBI. It aired on 2026-04-20. The runtime is 43 min.
Previous / Next
Episode 17: Shahadah
When the body of a VA psychiatrist is found tortured and deceased under a nearby overpass, the team is led to a suspicious religious leader with a hefty online presence. Meanwhile, OA builds a connection with Special Agent Zara Ushruf who assists on the case.
Episode 19: Fidelity
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.
More episodes from this season
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A double homicide in Brooklyn sets the team after a corrupt longshoreman but they soon discover something sinister has been smuggled into NY. As they race to stop the threat, Isobel enlists the help of CIA's Deputy Chief of Station Nikki Reynard.
Episode 20: Roleplay
When a big city donor is murdered inside her apartment, the team tracks down the young killer who leads them into a crypto scam he's been running with one of his victims, looking to seek revenge on his family.
Episode 15: Crusader
A dangerous drug kingpin from Eva's past resurfaces when two children and a daycare worker are killed due to an accidental drug exposure. While the team works the case, Eva wavers between her mission as an agent and her personal vendetta.
Episode 21: Long Shot
Following the assassination of a major corporate executive, the team races to find leaders of a dormant terrorist organization that has reemerged. Meanwhile, OA is temporarily reassigned after refusing to follow orders but is paired up with a familiar face.
Episode 14: Forgiven
After Maggie's sister, Erin, goes missing, the team begins an all-out search to recover her. But when Maggie discovers Erin was kidnapped by a sinister figure from her past, she must race to save her before it's too late.
Episode 22: Defector
The theft of a bioweapon from an unwitting defector forces the team to work with an old foe to secure the lethal pathogen and prevent an outbreak across New York City.
Episode 13: Fanatics
After the son of a professional basketball team owner is taken for ransom, Jubal and the team race to catch the kidnappers. Soon, they discover the perpetrators have been planning a larger revenge plot that they must act quickly to stop.
Episode 12: Daybreak
When a federal whistleblower is murdered while in FBI custody along with two agents, the team is stunned to find a familiar perpetrator has resurfaced. Meanwhile, OA wrestles with telling the team what is happening in his personal life.
Episode 11: Confetti
After an undercover investigation goes sideways, the team tries to flip their only witness to help them hunt down a rip crew at a cartel wedding. Scola and Nina make a big life decision.
Episode 10: Wolf Pack (2)
Chaos erupts in the city when an attack disrupts cell, internet and emergency services. As the team races to uncover the culprits, they learn the group responsible is a radical accelerationist movement fixated on resetting society.