“Dexter: Original Sin” is, as the title says, the origin story of blood splatter expert and serial killer Dexter Morgan.
Clyde Phillips, the showrunner on this 10-part series.
This iteration stars Irish actor Patrick Gibson as a young Dexter, a college student and budding killer mentored by his dad (Christian Slater).
The first series, which ran from 2006 to 2013, starred Michael C. Hall as a Miami-based blood splatter expert who moonlighted as a killer offing people he felt deserved to die.

