Dexter

This episode was originally titled "Through a Glass, Darkly".

When Dexter roughs up Barry, he hits him on his left side saying he hit him on his liver, the liver is mainly on the right side of the body, partially protected by the rib cage. On the left you get the spleen, pancreas and stomach.

Dexter uses the line "Tonight's the night" in one of his monologues. This line was also used in the pilot episode.

Music: "Sauvecito" by Malo

Debra and Quinn clean the bathroom without getting any blood on their clothes or on the scrubbers they were using to clean.

Goof: When Dexter takes the blood of the trucker, the blood drop is quite big. Yet in the very next shot it is much smaller.

When Dexter discovers that Trinity is in fact killing four people in a row each time, his dad says it means that 5 days before Lisa Bell was murdered a boy must have been killed in Miami. Dexter searches the missing children archive and comes up with Christopher Kavanaugh who "disappeared late Tuesday". The posting is dated Sunday 27th November 2009. The Lisa Bell murder occurred way back in episode one of season four "Living The Dream", while this episode itself played on Sunday 29th November 2009. So based on this information the current actions of Dexter in this episode would have to be happening many weeks in the viewers actual future. They also are happening on days that do not actually exist since there is 27th November 2009 was actually a Friday. The other two post dates are also wrong: November 4th was actually a Wednesday and November 5th was actually a Thursday, with these dates somehow only two days out while the later post was incorrect by three days.

Batista reveals LaGuerta's full name to be Maria Esperanza De Alma LaGuerta, while in turn she reveals his full name as Angel Juan Marcos Batista.

Goof: In the scene where LaGuerta and Batista are talking by the beach, there are multiple shots where you can see the reflection of the camera men and production crew in Batista's glasses.

Goof: When Trinity reads the first-page newspaper article on the bludgeoning, we can see that the most of the text is a repeated fragment of random news about armed robbery.

Goof: After Quinn hangs up with Deb, Christine sits next to him on the couch, picks up a plate and starts poking the pie on it while she is talking. There is an immediate scene change mid conversation to her nodding with her mouth full chewing pie that she hasn't yet eaten.

Continuity Error: In the hotel room Dexter sits on the edge of the bed with a phone book and rips out a page. When he stand up, the phone book has disappeared.

Continuity error: 38:05 into the episode Behind Dexter there is a woman in a green dress sitting down and a moment later a man with a red shirt with white plant print shirt sits down. When Dexter gets up to, that same couple is coming from in front of Dexter to be seated presumably behind him.

When Dexter supposedly destroys the file of Laura Moser, he actually puts Estrella Carazo's autopsy report into the shredder.

When Batista briefs the department about Estrella Carazo, he announces her age as 19 years old, while her passport shows her birthday as August 20th, 1982.

Goof: As Dexter gets out of the car to investigate Farrow's studio, a crew member can be seen briefly in the car's side mirror.

The voice on Lundy's tape sounds more like James Remar than Keith Carradine's voice.