Travis tasks Beth with unleashing Wormwood poison gas in the Miami Metro squad room, but she's stopped by Dexter, saving everyone's life. Debra has dinner with Chief Matt ...

Dexter attempts to stay ahead of Miami Metro Homicide on his hunt for Gellar, who plans on killing a radical atheist professor, but Dexter fails to stop him after he gets ...

Much to his own surprise, an emergency with Harrison and a new tableau from Gellar and Travis has Dexter leaning on Brother Sam and an unexpected winged messenger for sup ...

To solve a mysterious and macabre murder, Homicide brings in Brother Sam, a minister with a criminal past whom Dexter recognizes as a fellow killer that might have found ...

In the Season 6 premiere, Dexter Morgan attends his 20th high school reunion to hunt a former Prom King; Homicide's investigation into a gruesome, faith-based murder caus ...

As the noose tightens, Arthur warns Dexter to back off. But Dexter will do anything to stop Arthur from eluding him, even if that means putting himself on the wrong side ...

Dexter's worst fears have been realized. Because of Debra's unrelenting pursuit, Miami Metro is just one step away from discovering the identity of the Trinity Killer. An ...

Dexter knows it's only a matter of time before Miami Metro discovers the Trinity Killer's latest handiwork. Therefore, he has to work doubly hard to stay one step ahead o ...

Recent events spur Dexter into his own investigation of the Trinity killer. His motivations are now personal, and the clock is ticking. But the closer Dexter gets, the mo ...

Lila finds Doakes imprisoned in the cabin, and realizes that Dexter is the Bay Harbor Butcher. She ignores his pleas for help, and kills Doakes by setting the cabin on fi ...

Dexter contemplates admitting to the Bay Harbor Butcher killings. Doakes escapes from his cell but runs afoul of two drug smugglers. The FBI is displeased with the lack o ...

After their latest confrontation, Dexter imprisons Doakes in a cabin hidden in the Florida Everglades, but is unsure of what to do next. Doakes reveals information that l ...

Dexter tries to distance himself from Lila, but discovers she is not so willing to let go of their relationship; Lundy's manhunt makes Dexter nervous as he tries to stay ...

Dexter begins to question Lila's suitability as his sponsor, and Rita encourages him to find a male one. Rita's visiting mother, Gail (JoBeth Williams), becomes sure that ...

Rita threatens to leave Dexter if he does not commit to a program to deal with his drug addiction. He starts attending Narcotics Anonymous meetings, while still trying to ...

The Miami Metro Police Department, led by FBI Special Agent Frank Lundy, begins the hunt for the Bay Harbor Butcher. Both Dexter and the police are hunting for Little Chi ...

Doakes and LaGuerta begin to suspect that Rudy is the Ice Truck Killer, while Dexter finds a suspicious picture of the shipping container where his mother was killed. Doa ...

The Ice Truck Killer strikes again, leaving a real nightmare before Christmas at Santa's Cottage. Sergeant Doakes becomes more suspicious about Dexter after his ambivalen ...

Dexter is sent to investigate a horrific blood-soaked crime scene, which he usually enjoys, but is taken aback by a long-suppressed memory of a childhood trauma instead. ...

An unexplained suicide of a wealthy and powerful woman leads Dexter to suspect that her psychologist, Dr. Emmett Meridian, may have killed her. But he gets a shock when a ...

Dexter must deal with Rita's menacing husband. Debra goes on a date with the prosthetics expert who made prosthetic legs for an Ice Truck Killer survivor. Debra and Angel ...

As the hunt for Ice Truck Killer continues, posed body parts are discovered which appear to be the calling cards of an increasingly impatient killer. The Ice Truck Killer ...

After the discovery of another victim of the Ice Truck Killer at an ice rink, the missing guard, Tony Tucci, becomes a potential suspect. Meanwhile, Rita receives an unpl ...

Dexter assists detectives Batista (David Zayas) and Doakes (Erik King) in investigating the murder of an officer, who was working undercover investigating drug baron Carl ...

Phoebe dates Monica's sous-chef Tim and Monica doesn't fire him for Phoebe's sake. When Phoebe decides to dump Tim, Monica can finally fire him. Rachel has a date with Ka ...

Tessa becomes concerned when George lets himself go after his breakup with Dallas and calls on George's dad to help him move on, but his father's advice and blatant attem ...

When the body of a local college fraternity student is found gruesomely murdered, Castle has to go undercover as a professor in order to gain access to the victim's world ...

After four seasons of will they or won't they, Richard Castle and Kate Beckett finally give in to their feelings for each other in the much anticipated Season 4 finale. S ...

The murder of a Latino army veteran ex-con, ex-Lobos-street gang member quickly links to a break-in in the late captain's home, to steal only and all his old police files ...

When a woman is found murdered in her car, Beckett and her team's investigation leads them directly to City Hall... specifically to the Mayor, Robert Weldon, who happens ...

Castle is grieved when Becket, once regaining health, tells him to leave her time without calling for months. Yet when she returns to work after therapy, Ryan and Esposit ...

Feeling like his time is near, Finch hopes to get some answers directly from the Machine before he locks her down, while in the process not wanting his friends to die on ...