E1 - My Bad

Aired: September 26, 2010

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

E2 - Hello, Bandit

Aired: October 03, 2010

Dexter tries to focus on the children and fight his dark urges; Debra ends up on Quinn's doorstep.

E3 - Practically Perfect

Aired: October 10, 2010

Dexter hires a nanny; Debra is annoyed with her new partner; Quinn continues to investigate Rita's murder.

E4 - Beauty and the Beast

Aired: October 17, 2010

Dexter must save a life; Deb has a confrontation with a key suspect; Quinn follows up on the similarities between Dexter and Kyle Butler.

E5 - First Blood

Aired: October 24, 2010

Dexter is saddled with an unwanted conspirator; Dexter worries about how Rita's death will affect Harrison; Deb works alone; Quinn enlists an old friend's help.

E6 - Everything Is Illumenated

Aired: October 31, 2010

Dexter is drawn into a precarious situation; Batista discovers an interesting lead; Quinn gets information about Dexter from a questionable source.

E7 - Circle Us

Aired: November 07, 2010

Dexter is called to investigate a horrifying crime scene; the Santa Muerte case leads to a violent standoff between Debra and the Santa Muerte killers.

E8 - Take It!

Aired: November 14, 2010

Dexter and Lumen vet and stalk a violent killer; Debra gets into some unexpected trouble from the fallout of the Santa Muerte case

E9 - Teenage Wasteland

Aired: November 21, 2010

Dexter and Lumen hunt for their next victim; Debra uncovers new evidence in the Barrel Girl case

E10 - In the Beginning

Aired: November 28, 2010

Homicide uncovers some key evidence linked to one of Dexter's and Lumen's prior victims; Debra identifies two more suspects in the case.

E11 - Hop a Freighter

Aired: December 05, 2010

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

E12 - The Big One

Aired: December 12, 2010

Dexter realizes that he and Lumen are being lured into a trap and risks everything to escape; Quinn needs help that only Dexter can provide.