[s1e5]: Runaway

Angela discovers "Jim Lindsay" is actually Dexter Morgan after finding his obituary online. Harlan Coben's Run Away (2026)

In a rage over the overdose, Dexter hunts down the drug maker, Jasper Hodge, and kills him by forcing an overdose of his own drugs. [S1E5] Runaway

Dexter confronts Harrison about his dark nature after the incident with Ethan, which leads to a massive argument and Harrison running away. Key Events: Angela discovers "Jim Lindsay" is actually Dexter Morgan

Angel Batista makes a guest appearance at a police conference, unknowingly revealing to Angela that Dexter and Deborah are supposed to be dead. Key Events: Angel Batista makes a guest appearance

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.