Unforgettable Canceled A&E Series Not Returning for Season 5

Carrie is unable to utilize her perfect memory when an assassin doses her with a deadly poison that attacks her brain, leaving Al on a desperate hunt for the antidote.

Carrie and Al delve into the disturbing - and dangerous - world of celebrity obsession when a television star is found murdered in his dressing room.

Carrie and Al investigate the murder of a high-end matchmaking service employee, but each secret they uncover in the victim's life only serves to create a new possible suspect and motive.

When Homeland Security takes over a bombing investigation from Major Crimes, Carrie doubts their conclusion that it's tied to terrorism and secretly continues her own investigation. Meanwhile, Webster makes friends with Murray's daughter.

Carrie and Al dig into the secrets of students and faculty at an elite prep school when a high-powered CEO and father of one of the students is murdered.

Carrie and Al's investigation into the death of a college dropout takes a surprising turn when they discover he had been living in an off-the-grid community on an abandoned island near Manhattan.

When one of Eliot's oldest friends, the campaign manager for a mayoral candidate, is murdered, he is forced to face his past and current demons as Carrie and Al work to uncover the killer.

Al becomes the prime suspect in the murder of a parolee he helped put in jail, forcing Carrie to conduct an off-the-books investigation to prove his innocence to Internal Affairs.

Carrie and Al must find the connection between a murdered coast guard officer, a celebrity chef who threw him out of his restaurant and a missing block of C-4 before the explosives are used.

When Carrie recognizes a murdered city official as someone she played poker with at an underground casino, she puts her career on the line by admitting her illegal activities and volunteers to go back to the tables undercover.

As Lee Anne's lawsuit against the police department continues to scandalize the city, a judge suggests that she accept a settlement offer. Meanwhile, Jamie and Roy argue opposing sides of a "stand your ground" case.

Carrie and Al must uncover the pieces of a championship boxer's past to figure out who was able to beat him to death without any indication that he defended himself or fought back.

The Secret Service enlists Carrie and Al's help when a murder investigation leads them to uncover a counterfeiting ring run by an assassin.

When a high school classmate of Carrie's is murdered at her reunion, she must revisit her memories as a teenager for clues to the motive.

Eliot and the mayor are trapped in an elevator by a cybercriminal who threatens to send them to their death, forcing Carrie to work from within the building to thwart his plans.

Eliot agrees to let Carrie and Al use his Hamptons beach house in exchange for their help with a local murder investigation, but uncovering the secrets of the tight-knit community prove to be a challenge.

When a defense attorney is killed, Carrie and Al hunt for a recently paroled criminal who may be looking to settle other scores.

Carrie catches a deadly assassin who has eluded her before, but must put her personal vendetta aside when it's revealed that the woman has vital information to prevent a terrorist attack on New York City.

After a wealthy couple is murdered, Carrie and Al pose as a married couple to lure in the killer, who Al believes is linked to a series of unsolved homicides he once investigated.

The murder of an urban explorer leads Carrie and Al to not only search for the killer, but to pick up the trail of clues the victim was following on the hunt for a treasure supposedly hidden under the streets of New York.

When a young man is found dead in an expensive sports car he was delivering to a diplomat, each clue leads Carrie and Al to yet another possible motive for the murder.

Carrie and Al's latest case - the murder of an Afghani cab driver - has the potential to turn into a matter of national security when it's discovered that the victim was a government informant.

When the scientist who helped Carrie understand her memory abilities is murdered, she must track down other people with the same skill in the hopes that one of them holds the key to finding the killer.

Carrie and Al are unable to discern why a businessman was murdered in his hotel room until it's discovered that his death was collateral damage in a larger plot to assassinate a diplomat.

Carrie goes undercover with a team of bank robbers when The Major Crimes Section gets a lead on the gang's leader, a notorious thief who rarely shows his face.

Carrie and Al's reputation for closing cases results in an offer to join the Major Crimes Section of the NYPD. But when their first case - a high-profile child kidnapping - hits close to home for Carrie, it leaves her wondering if a move from Queens to Manhattan is what's best for her.

When a murder occurs in Syracuse which mirrors the death of her sister, Carrie and Al travel upstate to confront the suspect.

When Walter Morgan turns up dead, Carrie must locate his killer while deflecting attention from the prime suspect - her.

Carrie and Al must get inside the mind of a deranged conspiracy theorist before he sets off a series of bombs.

Carrie's personal and professional lives collide when her boyfriend, the son of a mob boss, is revealed to have ties to suspects in a murder investigation.

When Carrie's latest case is stalled by a powerful family's influence, she receives assistance from a lawyer who may be the mysterious caller who orchestrated a series of sniper attacks.

Al and Carrie are forced to the sidelines by a negotiator when the father of a suspect that Roe shot takes members of the Queens PD, including Nina, hostage in a desperate quest for justice.

Carrie and Al are at a loss to explain how a murder victim mysteriously appeared in an empty ballpark.

When a key witness in his murder case vanishes before testifying, Al scrambles to find her before the suspect walks free.

Serial killer with knowledge of Carrie's memory abilities taunts the Queens PD as his list of victims grows.

Routine investigation into a college student's death takes a disturbing turn for Carrie when a suspect makes a dangerous move to outwit her memory.

When a construction worker with a promising future is murdered, Carrie and Al wonder if his ties to the mob were the cause of his death or an unrelated coincidence.

When a renowned ghost hunter is killed, Carrie and Al discover that his death is linked to a chilling discovery he made on a recent assignment.

When a second murder suddenly occurs at an active crime scene, Al and Carrie must wade through hundreds of bystanders to uncover if it was retribution or an unrelated attack.

Al and Carrie investigate the murder of a teen who seemed to have no enemies. Meanwhile, Carrie looks to her estranged aunt for help with the investigation into her sister's murder.

Carrie and Al investigate the death of a public defender, only to discover that the killer has a larger plan which may lead to a second murder.

Carrie's investigation into the death of her sister moves forward, but her inability to let go may hinder the search for a missing infant whose father was murdered.

Carrie and Al's investigation into the murder of a hard-partying heiress takes an unexpected turn when they discover that the woman apparently didn't exist until 18 months earlier.

When Al's ex-partner is gunned down and the investigation reveals he may have been a dirty cop, Carrie must decide how to support him without getting too close.

When a crime scene is destroyed in an explosion moments after Carrie catches a glimpse of the room, her memories become a crucial piece of the investigation.

When a hotel maid is accused of murdering a guest who she says tried to rape her, Carrie takes matters into her own hands to uncover the truth, threatening Al's investigation.

When a young boy witnesses a murder, Carrie must put aside the memories of her sister's death to help him lead the police to the killer.

When a murder reunites former detective Carrie Wells with her old colleague and flame, she must utilize her rare ability to revisit her every memory to catch the killer.