There are several TV shows with a first-season fifth episode titled (or very similar). Depending on which series you are looking for, here is the relevant content: Dexter: New Blood (2021) This is the most widely discussed episode with this title.
Kurt Caldwell is confirmed as the serial killer targeting runaways. He kills his captive, Chloe, after she disrupts his ritual.
Angel Batista makes a guest appearance at a police conference, unknowingly revealing to Angela that Dexter and Deborah are supposed to be dead.