Sunday Poll: Which is your favorite 10th episode of a season? Vote below!
Season 1 Episode 10: Dexter's world is shaken when he is called to the crime scene of a massacre unlike any that he's ever seen before... or so he thinks, until a series of memories comes streaming back that shock him to his core. Meanwhile, Rita has to hire a lawyer when Paul brings a surprising case against her to take sole custody of their children. Batista follows a new lead on the Ice Truck Killer case that brings him one step closer to apprehending the sadistic serial killer. But does it bring him too close?
Season 2 Episode 10: Dexter finds himself with the upper hand when Doakes tracks him to his latest kill. But when Doakes reveals a secret about Harry's past, Dexter's world comes crumbling down. Meanwhile, Rita starts letting Dexter back into her life, and the Miami Metro PD starts closing in on the Bay Harbor Butcher.
Season 3 Episode 10: Dexter feels like he's making a deal with the devil when he feigns civility around Miguel after his duplicitous ways. Dexter finds himself in a series of chess-like moves against his former friend, all while hoping that Miguel doesn't get the upper hand on him. Meanwhile, Dexter watches helplessly as Miguel draws Rita closer through a wonderful wedding gift. Debra, now back with Anton after his close call with the Skinner, wonders if her relationship with Anton is worth putting her career in jeopardy. After all, is it smart for everyone to know that she is dating a former confidential informant?
Season 4 Episode 10: Dexter finally believes he understands the beast known as Trinity. But when a ten-year old boy goes missing, Dexter is forced to question everything he's learned up to this point. It's a race against the clock. And with each step forward, Dexter has to confront the real possibility that he may have more in common with Trinity than he'd like to admit. Secrets abound — from Cody, who is forced to defend one of Dexter's lies, Masuka, who can't bring himself to confess what he witnessed at Thanksgiving, and Debra, whose recent discoveries force one of Miami's finest into making an impossible decision.
Season 5 Episode 10: Lt. Laguerta has decided to re-open the barrel girls murder case and assigns a reinstated Debra Morgan and Quinn to arrest Cole Harmon. Of course, they don't know that Dexter has already taken care of things. They do find that the men made videos of their attacks. Debra begins putting the pieces together and concludes there is a vigilante killer getting rid of the men who attacked and killed the women. From the blood in the small vial Jordan Chase wears around his neck, Dexter is able to track it to Emily Birch who, to his surprise, is still alive. She's not very cooperative however until Lumen visits her on her own. Emily identifies the fifth man as Alex Tilden and Dexter and Lumen make plans to eliminate him. They don't realize that someone has been watching them.