TV series
They're catching killers. He's about to become one.
In 1991 Miami, Dexter Morgan transitions from student to avenging serial killer. When his bloodthirsty urges can't be ignored any longer, Dexter must learn to channel his inner darkness. With the guidance of his father, Harry, he adopts a Code designed to help him find and kill people who deserve to be eliminated from society without getting on law enforcements' radar. This is a particular challenge for young Dexter as he begins a forensics internship at the Miami Metro Police Department.
Streaming, rental and purchase options
Checked Sep 4, 2026
Dexter: Original Sin is available to stream on DirecTV On Demand, Paramount+, Paramount+ (Via Amazon Prime), Paramount+ (Via Apple TV), Prime Video, Spectrum On Demand, The Roku Channel, and Fubo in United States. You can also buy it from Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
In 1991 Miami, Dexter Morgan transitions from student to avenging serial killer. When his bloodthirsty urges can't be ignored any longer, Dexter must learn to channel his inner darkness. With the guidance of his father, Harry, he adopts a Code designed to help him find and kill people who deserve to be eliminated from society without getting on law enforcements' radar. This is a particular challenge for young Dexter as he begins a forensics internship at the Miami Metro Police Department.
Choose an episode, then use the watch options above for the show.
Episode 1
Young Dexter Morgan struggles to keep his urges in check while navigating life with his father, Harry, and sister, high-school senior Deb. After Harry has a health scare, Dexter realizes it may finally be time to fulfill his destiny.
Directed by Michael LehmannWritten by Clyde PhillipsGuest stars Brittany Allen, Raquel Justice, Jeff Daniel Phillips, Sarah Kinsey, Jasper Lewis, Aaron Jennings, Tanya Clarke, Victoria Martzloff
Episode 2
Dexter adjusts to his new job as a forensics intern at Miami Metro, as Harry returns to work after his medical leave. Deb lashes out at her dad by engaging in petty criminal behavior.
Directed by Michael LehmannWritten by Katrina Mathewson, Tanner BeanGuest stars Brittany Allen, Raquel Justice, Jeff Daniel Phillips, Sarah Kinsey, Jasper Lewis, Aaron Jennings, Eli Sherman, Carlo Mendez
Episode 3
Dexter goes after a loan shark with ties to Batista, as Harry is told to keep an eye on Maria Laguerta, Miami Metro's newest homicide detective. Deb throws a party to win the favor of her volleyball teammates.
Directed by Monica RaymundWritten by Safura FadaviGuest stars Brittany Allen, Raquel Justice, Aaron Jennings, Victoria Martzloff, Chandler Lovelle, Paola Andino, Carlo Mendez, Brayden Gleave
Episode 4
Dexter targets a retired mob hitman (who may still be killing), as Harry works the gruesome murder case of a 10-year-old boy. Deb sneaks into a nightclub with Sofia and meets an exciting new friend.
Directed by Monica RaymundWritten by Nick ZayasGuest stars Brittany Allen, Raquel Justice, Sarah Kinsey, Aaron Jennings, Victoria Martzloff, Chandler Lovelle, Eli Sherman, Brayden Gleave
Episode 5
After a kill goes wrong, Dexter is grounded by Harry. Deb deepens her relationship with Gio, and bonds with her brother on the anniversary of their mother's death.
Directed by Michael LehmannWritten by Alexandra Franklin, Marc MuszynskiGuest stars Brittany Allen, Jeff Daniel Phillips, Sarah Kinsey, Jasper Lewis, Aaron Jennings, Victoria Martzloff, Eli Sherman, Al Coronel
Episode 6
Miami Metro is shaken by a kidnapping that hits close to home, as Dexter sets his sights on a killer that slipped through the cracks of the justice system. But first, Dexter must survive a double date with Deb and her new boyfriend.
Directed by Michael LehmannWritten by Terry HuangGuest stars Brittany Allen, Raquel Justice, Jeff Daniel Phillips, Sarah Kinsey, Jasper Lewis, Aaron Jennings, Carlye Tamaren, Randy Gonzalez
Episode 7
Dexter needs to find a new hiding place after his most recent dumping ground is blown. Harry and LaGuerta pitch a controversial theory to Spencer, as the hunt for a missing child continues. Deb gets in trouble for an outburst in volleyball practice.
Directed by Monica RaymundWritten by Katrina Mathewson, Tanner Bean, Alexandra FranklinGuest stars Brittany Allen, Raquel Justice, Jeff Daniel Phillips, Jasper Lewis, Aaron Jennings, Victoria Martzloff, Lauren Neal, Chandler Lovelle
Episode 8
Deb sneaks away for a trip with her mysterious boyfriend. Dexter is tasked with finding her. Harry and LaGuerta travel to Tampa to look into a potential serial killer on the loose, while Miami Metro closes in on suspects in the child kidnapping.
Directed by Monica RaymundWritten by Mary Leah Sutton, Mary Leah Sutton, Johanna RammGuest stars Brittany Allen, Raquel Justice, Sarah Kinsey, Eli Sherman, Carlo Mendez, Xander Mateo, Randy Gonzalez, Oswaldo Fuenmayor
Episode 9
In the fallout of a SWAT raid gone wrong, Dexter closes in on the child kidnapper. Meanwhile, Deb goes to work with her Dad... and sees Miami Metro in a new light. Harry digs deeper into the serial killer case but keeps his theory from LaGuerta.
Directed by Michael LehmannWritten by Scott Reynolds, Scott Reynolds, Alex KellermanGuest stars Brittany Allen, Sarah Kinsey, Jasper Lewis, Aaron Jennings, Xander Mateo, Amanda Brooks, Savannah Schoenecker, Cheyenne Wilbur
Episode 10
Dexter races to find the missing kidnapped child before it's too late. Deb visits her godfather in the hospital and rethinks her future. Harry comes face-to-face with a serial killer... leading to a shocking result.
Directed by Michael LehmannWritten by Clyde Phillips, Clyde Phillips, Alexandra Franklin, Marc MuszynskiGuest stars Raquel Justice, Sarah Kinsey, Jasper Lewis, Aaron Jennings, Xander Mateo, Michael G. Martinez, Amanda Brooks, Kathleen Rose Perkins
Episode information updated Sep 17, 2026
Patrick GibsonDexter Morgan
Christian SlaterHarry Morgan
Molly BrownDebra Morgan
Christina MilianMaria LaGuerta
James MartinezAngel Batista
Alex ShimizuVince Masuka
Reno WilsonBobby Watt
Patrick DempseyAaron Spencer
Paramount+ with ShowtimeUnited States
