- Debra Morgan: What in the mother-of-fuck went on here?
- Vince Masuka: I know exactly what happened. Two words: auto-erotic, mummification. See, Mr. Plastic Man, shot Captain Bloody Underpants, while Underpants was in mid-choke. Mr. Plastic Man, his hammocks between Underpants'...
- [rambles on punctuating with crude hand gestures]
- Dexter Morgan: [narrating] Thanks to Masuka's keen expertise, Debra will be able to close this case. Evidence will go into a baker's box and be filed away, eventually transferred to a storage facility in Bradenton. And that is where it will stay. Locked away, forever in the dark. If only everything were that simple.
- Debra Morgan: Thank you for that visual.
- Vince Masuka: Asphyxiation has its high, but it's not without its risks. By the way, I wouldn't touch the nozzle of that hose.
- [first lines]
- Dexter Morgan: [narrating] I've always tried to keep the different parts of my life separate. Becoming a father made that much more difficult. And as a husband, I failed. But I'm a very neat monster, who won't make the same mistake again.
- Dexter Morgan: [narrating while binding his latest victim] Compartmentalization began as an architectural theory. Divide buildings into sections, which can be closed-off to prevent a fire from spreading. Life can also be divided into closed-off sections. Makes everything much simpler.
- [last lines]
- Lumen Ann Pierce: Tonight I felt this, like... this peace. And it's because he's dead. And I know that it's not gonna to last. And when it wears off, I'm gonna have to find the rest of them. Because that's the only way I going to find that peace again. I don't even have a name for what I'm feeling.
- Dexter Morgan: [thinking] I do. The Dark Passenger. I can't get revenge for Rita's death, but I can help Lumen avenge what was done to her.
- Dexter Morgan: How many more were there...