‘Dexter: Original Sin’ Season 2 Is No Longer Happening

Dexter Morgan (this time, played by Patrick Gibson) became a serial killer again in Dexter: Original Sin. The Dexter prequel, which first premiered in December 2024, took audiences back in time to before the events of the original series, as the titular mass murderer first began to satisfy his “dark passenger.” By the end of Season 1, he was fully invested in that violent vigilanteism we came to know in the original Showtime drama.

So what’s next for young Dexter, his family, his friends, and his nemeses in the prequel? Here’s a look at everything we know about Dexter: Original Sin Season 2 so far.

Is Dexter: Original Sin renewed for Season 2?

Not anymore. Although Paramount+ with Showtime officially renewed the show in April, Variety reported in August 2025 that the series would not be returning after all.

The news is perhaps surprising, since the drama proved to be a big hit for the streamer last year, with Paramount+ revealing in a post-finale press release that the final episode of the season notched 2.68 million global viewers, which was a 30% increase from the premiere.

Who would’ve starred in Dexter: Original Sin Season 2?

Now that it’s canceled, any probable plans to bring back the surviving cast members will no longer continue.

Originally, creator Clyde Phillips was expected to return to oversee the second season. While an official returning cast list had not been announced, chances seemed good that the current cast (at least those whose characters survived the events of Season 1) would return.

The first, 10-episode season’s main cast featured Patrick Gibson as Dexter, with Christian Slater as his father Harry, Molly Brown as his sister Debra, James Martinez as Angel Batista, Christina Milian as Maria LaGuerta, Sarah Michelle Gellar as Tanya Martin, Reno Wilson as Bobby Wyatt, and Alex Shimizu as Vince Masuka. (Patrick Dempsey was also a Season 1 regular, but his character Aaron Spencer found himself on the wrong end of Dexter’s knife by the end of the season.)

What would have happened in Dexter: Original Sin Season 2?

An official synopsis for the season was not revealed, but based on the events of the finale, it was clear that Dexter was likely going to continue abiding his “dark passenger” and commit more murders based on the “code” established by himself and Harry. Plus, Deb is now joining the two Morgan men as a member of the Miami Metro Police Department and will expect to be included in their oh-so-secret conversations from now on, which could cause some more friction in the family.

Christian Slater and Patrick Gibson in Dexter: Original Sin

Paramount+ with Showtime

Phillips told TV Insider that while Season 1 did not explore whether Dexter knew about the tragic backstory of Harry’s first son, Harry Jr., who drowned in their backyard when he wasn’t paying attention to the toddler, it could’ve been a subject for Season 2: “When we get picked up, that’s something we intend to explore,” he said when asked if Dexter would ever find out about his other big brother.

'Dexter: Original Sin' Star James Martinez Unpacks That Finale

Meanwhile, actor James Martinez told TV Insider that he hoped to see the prequel series explore Angel’s marriage, which would ultimately dissolve in the events of Dexter, and how it was in happier times. “I know that he had an ugly divorce in the original, so I’d like to see kind of how he met his wife and what is it that he was looking for, or thought he was looking for at the time, because the job’s very time-consuming, and I’m sure the lack of a personal life might be getting to him. So I think it’d be interesting to explore,” Martinez said.

Where did Dexter: Original Sin Season 1 leave off?

In the Season 1 finale for Dexter: Original Sin, Dexter followed Aaron Spencer to the place where he was hiding his own kidnapped son after letting him escape his kill table. Though Dexter initially had to let Aaron escape in order to save the child from drowning, and Aaron then attempted to attack his ex-wife, Dexter captured Aaron and took him out to sea to never be seen again.

Then, Dexter was offered a full-time position in the police’s forensics unit, and things seemed to be on the up and up for the Morgans, who danced to celebrate Dexter’s job and Debra’s decision to enroll in the police academy — until a shot of Brian watching his brother from a distance reminded us that the troubles have only just begun.

Dexter: Original Sin, Paramount+ with Showtime

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