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. (S4, ep 18) [S,AD]
One Night Stand: When a young couple is found murdered after returning from vacation, the team searches for a suspect linked to the drug trade. (S4, ep 17) [S,AD]
Grief: As the team searches for an abducted college co-ed, Jubal becomes fixated on obtaining a lead from the father of the abductor's previous victim. (S4, ep 11) [S,AD]
Fire and Rain: The team attempts to extract key information from a vulnerable 9/11 widow. Meanwhile, Scola is reminded of his brother's death. (S4, ep 8) [S,AD]
Gone Baby Gone: After a girl is kidnapped from her daycare, the team must help her parents navigate a debt owed to a deadly gang. Maggie struggles to focus. (S4, ep 7) [S,AD]
Allegiance: The team must track down a shooter targeting detectives from the same precinct and unit, while facing mounting tension from the NYPD. (S4, ep 6) [S,AD]
Charlotte's Web: After a suburban wife is kidnapped from her home, the team looks into trysts on both sides of her marriage. OA feels pressure from Mona. (S4, ep 5) [S,AD]
Trauma: After the team finds a link between a spate of bombings a private veterans' club, Isobel tells OA to recruit his former Army buddy for intel. (S4, ep 3) [S,AD]
Hacktivist: Maggie, OA and the team must stop a hacker who is disabling life-saving equipment in hospitals. Jubal's son waits for surgery. (S4, ep 2) [S,AD]
All That Glitters: In the season four premiere, the team investigate the murder of a young woman, killed on her way home from a lavish yacht party. (S4, ep 1) [S,AD]
Short Squeeze: The team investigate potential motives and suspects when the CEO of a major brokerage firm is killed while surrounded by protestors. (S3, ep 13) [S,AD]
Fathers and Sons: The team race against the clock to save two doctors abducted by a desperate father willing to go to the ultimate lengths for his son. (S3, ep 12) [S,AD]
Brother's Keeper: When a man is killed by an explosive package sent to his home, the team attempt to find the sender and intercept his next deadly parcel. (S3, ep 11) [S,AD]
Checks and Balances: As the team hunt for two assailants who wear animal masks while committing armed robberies, Tiffany and Scola clash over the investigation. (S3, ep 10) [S,AD]
Discord: The team hunts a killer who is fatally shooting seemingly unrelated targets, while new agent Tiffany Wallace grapples with some personal issues. (S3, ep 7) [S,AD]
Uncovered: The team attempt to infiltrate a drug trafficking gang when the robbery of a chemical plant leaves two customs agents dead. (S3, ep 6) [S,AD]
Liar's Poker: The entire FBI headquarters is under serious threat when the notorious leader of a drug cartel is arrested and his henchmen set out to free him. (S3, ep 3) [S,AD]
Unreasonable Doubt: As the team races to find a serial killer following the discovery of three women's bodies in a lake, Jubal spots a link to a closed case. (S3, ep 2) [S,AD]
Never Trust a Stranger: Season premiere. The team welcome a new member as they search for the perpetrators of a mass shooting at a media company. (S3, ep 1) [S,AD]
Safe Room: A desperate father kidnaps a billionaire's daughter and holds her hostage in a safe room until his own missing child is returned to him. (S2, ep 16) [S,AD]
Legacy: The team must figure out who is behind the hijacking of a truck filled with rifles. A friend of OA's past returns to help, but can he be trusted? (S2, ep 15) [S,AD]
Payback: The team try to figure out a motive when the son of a retired FBI agent is kidnapped. Also, Isobel has a hard decision to make. (S2, ep 13) [S,AD]
Hard Decisions: The team is lead to a safe deposit box, the contents of which could be deadly. Plus, Kristen is eager to get back into field work. (S2, ep 12) [S,AD]
Fallout: When a businessman is killed, the team suspects the killer could be one of the many people who accused the victim of harassment. (S2, ep 11) [S,AD]
Ties That Bind: A former kidnapping victim is linked to the murder of a NYPD detective's daughter. Also, Kristen's confidence is shaken. (S2, ep 10) [S,AD]
Salvation: As the team work to unravel connections to a teacher who goes missing after an altercation with a student, a key witness comes forward. (S2, ep 9) [S,AD]
Codename: Ferdinand: When a photographer is killed in a car crash, the case hits home for Maggie as she sympathises with the man's widow. (S2, ep 8) [S,AD]
An Imperfect Science: A nightclub shooting brings to light that the FBI may have ignored previous threats from a white supremacist group. (S2, ep 4) [S,AD]
Little Egypt: As the second season of the gripping crime drama begins, OA goes undercover when a bomb detonates at a restaurant he frequented as a child. (S2, ep 1) [S,AD]
What Lies Beneath: OA struggles to keep his personal opinions separate from his work duties when a controversial leader from Egypt comes to New York. (S1, ep 20) [S,AD]
Apex: As the team struggle to get justice for the innocent victims of a vicious serial killer, the mayor throws a curveball that limits the investigation. (S1, ep 17) [S,AD]
Invisible: A kidnapper abducts the daughter of a wealthy family in a twisted ploy to gain internet fame. Then, Maggie and OA uncover more disturbing plans. (S1, ep 16) [S,AD]