Dexter - Season 6 (2011)

Disturbing events cause Dexter to lean on Brother Sam during a crisis of faith, while Debra gives her first press conference on the new religiously motivated serial killer.

The search for the Doomsday Killers takes Dexter in a new direction; Batista and Quinn pay a visit to the university where Professor Gellar taught; due to departmental regulations following the shooting, Debra is forced to begin therapy.

Dexter becomes caught up in a very personal case that awakens the needs of his Dark Passenger; Debra feels overwhelmed by her new duties, and discovers a disturbing secret about Quinn.

Dexter teams up with a fellow Dark Passenger when he takes a road trip to Nebraska; Debra deals with the complications of her promotion as she leads the Doomsday investigation.

Dexter uses lessons he learned from Brother Sam to follow up on some new Doomsday leads; Debra butts heads with LaGuerta over the case of a dead call girl.

Dexter receives help from an unexpected source while hunting the Doomsday Killers; Debra makes a self-discovery in therapy.

Dexter tries to figure out the Doomsday Killers' next victim; Debra has a strong reaction to a crime scene, leading her to realize that she leans too heavily on her brother.

Dexter finds that in order to catch the Doomsday Killers, he must create a macabre tableau of his own; Debra's battle with LaGuerta boils over, and her therapist makes an unnerving suggestion.

In the Season 6 finale, Dexter and Homicide race a solar eclipse to catch the Doomsday Killers before their final gruesome act; Debra struggles with a new emotional reality.