In the Beginning (Dexter)

"In the Beginning" is the tenth episode of the fifth season of the American crime drama television series Dexter. It is the 58th overall episode of the series and was written by Scott Reynolds, and was directed by Keith Gordon. It originally aired on Showtime on November 28, 2010.

Set in Miami, the series centers on Dexter Morgan, a forensic technician specializing in bloodstain pattern analysis for the fictional Miami Metro Police Department, who leads a secret parallel life as a vigilante serial killer, hunting down murderers who have not been adequately punished by the justice system due to corruption or legal technicalities. In the episode, Dexter and Lumen locate a survivor to get the name of the other man in the photograph, while Liddy gets closer to discover Dexter's secret.

According to Nielsen Media Research, the episode was seen by an estimated 2.54 million household viewers and gained a 1.1/3 ratings share among adults aged 18–49. The episode received acclaim by critics, who praised the performances, writing and character development. For the episode, Julia Stiles received a nomination for Outstanding Guest Actress in a Drama Series at the 63rd Primetime Emmy Awards.