SHOWTIME

Dexter investigates the Trinity Killer; Debra blames herself; Rita realizes she knows little about her husband.

Debra uncovers new evidence in the Barrel Girl case; an unexpected guest surprises Dexter.

Miami cops are tasked with finding the killer of the assistant D.A.'s younger brother; Dexter and Rita move closer to making a decision about their family.

Dexter must do damage control; Debra's speculation begins to take shape; Quinn becomes involved in a homicide.

Dexter tests Miguel; Rita loses her job and wonders if she is meant to have a successful career.

Doakes tracks Dexter to his latest kill; the Miami Metro Police Department starts closing in on the Bay Harbor butcher.

Dexter and Miguel have differences in selecting a new victim; Rita discovers that Miguel's wife has suspicions; an old friend asks for Dexter's help.

While investigating slayings with Agent Lundy, Dexter misplaces crucial evidence that could expose him.

Dexter tries to convince Rita that his proposal is sincere; Miguel's brother desperately searches for Oscar's murderer.

Miami Metro is close to discovering Trinity's identity; Dexter takes drastic actions to buy time; Arthur begins to investigate Kyle Butler.

Dexter tries to distance himself from Lila; Lundy's manhunt makes Dexter nervous.

The Ice Truck Killer leaves a surprise at a crime scene for Dexter.

Dexter's Narcotics Anonymous sponsor threatens Rita; Dexter tries to throw the FBI agent off his trail.

Lila attaches herself to Dexter after the fire, which makes him uncomfortable.

Dexter must make a choice; Quinn stirs up trouble for Dexter but supports Deb.

Dexter follows clues in his rescue attempt; Rita's ex tries to convince her that Dexter is too dangerous.

Despite the appearance of a perfect life, Dexter struggles to settle into his domestic situation.

A copycat killer starts a vigilante serial-murder spree; Dexter sets out to stop the imposter.

The Ice Truck Killer lures Dexter into a trap by kidnapping someone close to him.

The Ice Truck Killer leaves Dexter the most-awful crime scene imaginable, forcing him to confront a suppressed memory.

Rita, Debra and Rudy join Dexter for a weekend away when he learns that his biological father has just passed away.

The identity of the Ice Truck Killer does not sit well with Dexter; Rita's ex-husband returns.

Dexter tracks a murderous husband to Bimini; Rita has a medical emergency.

Forensics analyst Dexter Morgan hides his life as a serial killer from his sister, co-workers and girlfriend.

Dexter discovers that the man who murdered his mother is still alive.

A rival serial killer, dubbed the Ice Truck Killer by the media, privately contacts Dexter and reveals that he knows his grisly secret; meanwhile his sister, Debra, is transferred to the homicide

A high-profile woman's presumed suicide reveals a strange pattern of murders, leading Dexter to stalk a killer unlike any other.

A manifest throws the task force into chaos; Lila's influence takes its toll on Dexter's personal life.

Dexter encounters a fellow predator; a murder is pinned on Freebo, but Dexter knows the truth; Dexter struggles with a growing friendship with Miguel.

Vigilant neighbors, an inability to drive and a fascination with Trinity's technique interrupt Dexter's routines.