Can you believe it’s been a decade since we were first introduced to the killer of criminals? Today, Showtime announced they are celebrating the 10th anniversary of Dexter with an upcoming contest and marathon.

Based on the novels by Jeff Lindsay, the drama followed Dexter Morgan (Michael C. Hall), a blood spatter expert working for the Miami police who happens to moonlight as a vigilante serial killer. The cast also included Julie Benz, Jennifer Carpenter, Lauren Valez, David Zayas, James Remar, Erik King, Desmond Harrington, and C.S. Lee.

To honor the show’s 10th anniversary, Showtime is holding a competition where fans can vote for their favorite Dexter episodes. The top ten favorites will air on October 1st. 

Watch the promo and read more details below:

NEW YORK – August 24, 2016 – SHOWTIME is celebrating the ten year anniversary of the launch of its groundbreaking original series DEXTER with a fan-focused campaign surrounding the hit drama. DEXTER, which premiered on the network on October 1, 2006, grew its loyal audience year after year in all of its eight seasons, and was the recipient of the prestigious Peabody Award, as well as 25 Emmy(R) and 10 Golden Globe(R) Award nominations. In celebration of #Dexter10, fans will have the opportunity to vote for their favorite DEXTER episodes in a bracket-style competition on SHO.com over the course of four weeks. The top ten fan picks will culminate in an on-air #Dexter10 Fan Marathon on Saturday, October 1st, exactly ten years after the series debuted on SHOWTIME.”

What do you think? Are you a fan of Dexter? What are your favorite episodes?