Dexter - Season 4

First aired: 9/27/2009 12 episodes

Dexter as a father and husband struggles to figure out how to survive for years to come. He seeks to learn from Arthur Mitchell, a serial killer and family man, who has murdered for over thirty years without being discovered.

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Episodes

1. Living the Dream

Aired: 9/27/2009

Dexter sleeplessly struggles to balance his new family life with his dark, murderous drive for a fresh victim, and his busier-than-ever forensic career pursuing a new target, "The Trinity Killer."

2. Remains to Be Seen

Aired: 10/4/2009

Suffering from amnesia following his car crash, Dexter begins searching for Benny Gomez' lost body, with a helping hand from Harry. Meanwhile, Debra struggles with the return of her former lover while Quinn tries to juggle his personal and work life. Meanwhile, Trinity begins stalking his next chosen victim.

3. Blinded by the Light

Aired: 10/11/2009

Dexter is hampered by his neighborhood's increased vigilance due to vandalism, his temporary inability to drive himself anywhere, and his admiration for the killing technique of the artful Trinity Killer.

4. Dex Takes a Holiday

Aired: 10/18/2009

Dexter gets some much-needed R&R time with Rita and the kids out of town, leading to his stalking of a new victim until he unexpectedly begins to empathize with his target, a cop that murdered her family.

5. Dirty Harry

Aired: 10/25/2009

Dexter is inspired to investigate the Trinity Killer on his own, while Debra blames herself for an event that was out of her control, and Rita realizes how little she knows her husband after discovering one of his secrets.

6. If I Had a Hammer

Aired: 11/1/2009

Dexter doubles his efforts to stay ahead of the official Trinity investigation, and receives relationship advice about the friction between himself and Rita from a most unexpected source.

7. Slack Tide

Aired: 11/8/2009

Dexter finally strikes a balance between family, career and his secret life, but is thwarted in his pursuit of his next victim, while Debra expresses a renewed and unwelcome interest in their father's checkered past.

8. Road Kill

Aired: 11/15/2009

Dexter wonders if his father's Code is truly the right path, and hopes to get answers by accompanying Trinity on an out-of-town road trip, while Debra discovers that her single-minded pursuit of Trinity has blinded her to the truth.

9. Hungry Man

Aired: 11/22/2009

For most people, Thanksgiving is a time for traditions and family. But for Dexter, it’s an opportunity to get closer to his most dangerous adversary yet. As Dexter gains insight into Arthur’s psychology by studying those closest to him, he finds himself drawn into a bizarre and twisted world.

10. Lost Boys

Aired: 11/29/2009

Dexter finally believes he understands the beast known as Trinity. But when a ten-year old boy goes missing, Dexter is forced to question everything he’s learned up to this point.

11. Hello, Dexter Morgan

Aired: 12/6/2009

Dexter must buy time to protect himself when Debra's investigation brings the department one step away from identifying Arthur as the Trinity Killer; Rita confides in Dexter, but is disappointed in the result.

12. The Getaway

Aired: 12/13/2009

Dexter and Arthur find themselves on a collision course, as Debra unearths a shocking long-hidden truth, Rita admits her marriage to Dexter is troubled, and Batista and LaGuerta face the consequences of an ethics breach.