...at which point Dexter has a flashback to his childhood. He looks about eight or nine and he and Harry return home to find Deb playing with a puppy. Harry concernedly asks his wife what's up, so she tells him that a neighbor's dog had a litter and she couldn't resist. Harry becomes the "No! Dogs! Allowed!" sign in that Peanuts special, to his wife's dismay and then heads over to Dexter and whispers, "Don't even think about it." Have to admire his approach, considering this situation probably isn't in any parenting handbook.
DVO tells us that he has to keep Deb from the full truth as Dexter bustles around breaking down the plastic and other Colin Hanks-killing accessories. Unfortunately, in his haste, he fails to notice the blood slide, which goes up into the air like a Junior Mint before settling in one of the church's floor grates. Dexter takes Colin Hanks' sword and plunges it into the, I'm assuming, same spot as he stuck his knife so very recently, not that such details are going to be particularly discernible once Deb gets back with the damn gasoline.
Oh look -- she's filling up now! She's looking pensive, which is probably good, since the show already put it in my head. I hope she didn't pay with a credit card. Can't be too careful.