Air date: 2010-09-26

Runtime: 55 min

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

Air date: 2010-10-03

Runtime: 50 min

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

Air date: 2010-10-10

Runtime: 49 min

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

Air date: 2010-10-17

Runtime: 51 min

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

Air date: 2010-10-24

Runtime: 51 min

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.

Air date: 2010-10-31

Runtime: 51 min

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

Air date: 2010-11-07

Runtime: 49 min

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.

Air date: 2010-11-14

Runtime: 53 min

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

Air date: 2010-11-21

Runtime: 55 min

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

Air date: 2010-11-28

Runtime: 54 min

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

Air date: 2010-12-05

Runtime: 48 min

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

Air date: 2010-12-12

Runtime: 56 min

Dexter's situation grows desperate when he discovers that Lumen's been set up. Despite knowing he's being baited into a trap, Dexter risks everything to make sure he doesn't fall into the same mistake again. In the Barrel Girls case, Debra lets her personal feelings lead her instincts once she concludes that vigilantes are more than just a theory. Quinn finds himself in a troublesome situation, which only Dexter can help him out of.