Ultimately, Dexter: Original Sin explores more than just Dexter’s origin story. It delves into Harry’s motivations for creating The Code, his reasons for adopting Dexter, and the guilt that eventually led him to take his own life.

Dexter’s storyline in the OG show left him hiding out as a lumberjack after his stepsister, Debra (Jennifer Carpenter), was killed off. But in “New Blood,” it was implied that his life had ended, so they decided to opt for another spinoff instead.

Christian Slater has a loooong resume, so there's a good chance you'll recognize him. He's starred in TV shows like Dr. Death, Mr. Robot and Dirty John, and movies like Heathers, Unfrosted and Blink Twice.

Dexter: Original Sin revealed a key incident in Harry Morgan's past that changes everything, but it makes total sense.

Hall as the titular character, Dexter Morgan was a serial killer who was raised by an adoptive father, Harry, who also happened to be a detective. When Harry realizes that Dexter has these killer urges,

The second episode of Dexter: Original Sin aired on Paramount+ with Showtime on December 20. It fully introduced Dexter Morgan to the world of Miami Metro Homicide, and it was a steep learning curve for the forensic intern and budding serial killer.