Dexter: Season 7, Episode 5

Swim Deep (28 Oct. 2012)

TV Episode  |  TV-MA  |   |  Crime, Drama, Mystery
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Ratings: 8.6/10 from 2,026 users  
Reviews: 5 user | 3 critic

After Deb learns that she has sent forensic evidence to an outside lab for analysis, Captain LaGuerta confides in her that she found a blood slide at the site of the Marshall killing and ... See full summary »


(as Ernest Dickerson)


(developed for television by), (novel), 1 more credit »
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Title: Swim Deep (28 Oct 2012)

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Episode cast overview, first billed only:
Capt. Maria LaGuerta (as Lauren Velez)
Tyler Barnes


After Deb learns that she has sent forensic evidence to an outside lab for analysis, Captain LaGuerta confides in her that she found a blood slide at the site of the Marshall killing and believes the Bay Harbor butcher is still alive. The Captain accepts Deb's offers to help her in the investigation. When Dexter learns what's going on, he just wants Deb to stay out of it. Dexter finds blood on his boat and tests reveal it belongs to Louis Greene. He soon after finds he has to deal with Isaak Sirko who is clearly out for revenge. Dexter's plan to get him doesn't work out. Hannah McKay meanwhile has agreed to help find some of the bodies from her and her boyfriend's killing spree years ago. The remains of one of the victims tells him a lot about the assailant. Written by garykmcd

Plot Summary | Plot Synopsis


TV-MA | See all certifications »




Release Date:

28 October 2012 (USA)  »

Company Credits

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Technical Specs


Sound Mix:


Aspect Ratio:

16:9 HD
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Did You Know?


When Dexter is checking Isaac's personal data on the computer, his birthdate is the same as in real life (i.e., Ray Stevenson was born on May 25, 1964). See more »


Isaak Sirko's file Dexter is looking at on his computer in the motel room is written in English and Russian (with grammar mistakes, of course) but not in Ukrainian which is the only official language in Ukraine. See more »


Lt. Debra Morgan: [to Sgt. Batista] Mike's killer is dead... Mike got justice... Let it go... That's an order!
See more »


References The Terminator (1984) See more »


Blood Theme
Written by Daniel Licht
Performed by Daniel Licht
See more »

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User Reviews

Isaac Sirko: The Terminator!
29 October 2012 | by (India) – See all my reviews

I love the character development in this episode, esp. Isaac's. Man, he's bada**, completely psychotic and I think he will not be put down so easily. After all, he is the terminator. There is definitely more Isaac coming, and he may just turn out to be the best villain in the series. Well, him and Brian.

The plot is thickening, with Isaac's blood thirst, Hannah and her dark secret, and surprisingly Quinn coming into picture. I am loving how this season is developing, sometimes fast and sometimes slow. But so well connected.

I love Debra freaking out scene and how she regroups herself. I think it was her personal best cursing in the whole series. Ha.

Dexter still hiding facts from Debra, after putting her a** on line, is surely going to end the wrong way. But Dexter, being always protectful of her sister, does want her to 'swim deep'. And Laguerta digging deep into the Doakes case will definitely take an interesting turn. I can just feel it.

This season is becoming more thrilling and suspenseful with each episode. Hats off to the writers. What a comeback!


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