第 7 季 共 12 集
播出时间：2012年10月1日
第 1 集 Are You...?
播出时间：2012年10月1日
After witnessing her brother kill Travis Marshall, Debra attempts to reconcile with Dexter while struggling to cover up their involvement with the murder. Meanwhile, Detective Mike Anderson has an unfortunate run-in, Quinn and Batista begin to make amends, and LaGuerta finds evidence that causes her to re-think the closed Bay Harbor Butcher case.
第 2 集 Sunshine and Frosty Swirl
播出时间：2012年10月8日
Miami Metro sets out to unearth new evidence on a claim from a local convict that he has new information regarding a 15-year-old crime spree; Debra tries to cure Dexter of his killer tendencies.
第 3 集 Buck the System
播出时间：2012年10月15日
Dexter tries to bring Debra on board with his new target. While the Ukrainian mob seeks revenge for the killing of one of their own, Quinn grows close to a dancer at their strip club. LaGuerta, convinced the Bay Harbor Butcher is still out there, attempts to enlist Batista to help her re-open the case.
第 4 集 Run
播出时间：2012年10月22日
After capturing a deadly killer, things go awry for Miami Metro, sending Debra into a tailspin. In an effort to help his sister, Dexter enters into a dangerous game of cat and mouse, while the Ukrainian mob continues to seek revenge.
第 5 集 Swim Deep
播出时间：2012年10月29日
While trying to uncover why someone was killed on his boat, Dexter must out-maneuver a vengeful Isaak. New leads are brought to light on the Wayne Randall case by Hannah McKay, Randall's alluring former accomplice who Dexter discovers has a secret.
第 6 集 Do the Wrong Thing
播出时间：2012年11月5日
Debra gets to know a local crime writer who's dug up some incriminating dirt on Hannah McKay (Dexter's newest obsession). Quinn gets an offer he tries to refuse and Batista is drawn to a new business opportunity. LaGuerta keeps digging into the Bay Harbor Butcher case.
第 7 集 Chemistry
播出时间：2012年11月12日
Quinn falls back into his old ways as he makes some questionable choices to protect Nadia. Things heat up as Dexter and Hannah grow closer, but when Sal Price discovers the two are involved, he wants the exclusive story.
第 8 集 Argentina
播出时间：2012年11月19日
Fresh out of jail, Isaak renews his pursuit of Dexter while Quinn continues his power struggle with the Koshkas. Dexter tries to keep Debra in the dark about his relationship with Hannah, but a surprise visit from Astor, Cody and Harrison throws a wrench into his plans.
第 9 集 Helter Skelter
播出时间：2012年11月26日
As Dexter scrambles to track down Isaak, a power struggle erupts among the Koshka Brotherhood, which could prove to Dexter's advantage. Meanwhile, Miami Dade tries to smoke out the Phantom Arsonist.
第 10 集 The Dark... Whatever
播出时间：2012年12月3日
Dexter is unnerved when Hannah's father pays him a surprise visit; the Phantom Arsonist's crimes become more vicious; and Quinn defends Nadia's honor and finds himself in a volatile situation. Meanwhile; LaGuerta asks a former superior for help on the Bay Harbor Butcher case.
第 11 集 Do You See What I See?
播出时间：2012年12月10日
It's Christmas time, and Debra learns it may be better to receive when she gets a tip from Hannah's father... one that could lead to incriminating Dexter in a crime. Meanwhile, Dexter discovers that the man behind his mother's death has been released from prison.
第 12 集 Surprise, Motherfucker!
播出时间：2012年12月17日
Dexter must protect himself when LaGuerta closes in on his secret.
