Dexter: New Blood is an American crime drama mystery television miniseries developed for Showtime as a continuation of the series Dexter, developed by original series showrunner, Clyde Phillips, and directed by Marcos Siega. The show features Michael C. Hall and Jennifer Carpenter reprising their roles as Dexter and Debra Morgan, respectively, alongside new cast members Jack Alcott, Julia Jones, Johnny Sequoyah, Alano Miller, and Clancy Brown. The story is set ten years after the events of the original series finale, "Remember the Monsters?", which was broadcast in 2013. It premiered on Showtime on November 7, 2021.

It was confirmed in February 2023 that a second season, centered on the character of Dexter's son Harrison, was in development for broadcast at a later date. In addition, a prequel, Dexter: Original Sin, was ordered to series. In July 2024, it was announced that the initially planned second season was no longer happening and New Blood would be followed by a series titled Dexter: Resurrection.