We may receive a commission on purchases made from links.

"Dexter" has returned (again), because Michael C. Hall's killer of serial killers is back in the new series "Dexter: Resurrection" (with other familiar faces in tow) . If you think Dexter Morgan has run his course at this point, then fear not! There are plenty of other serial killer shows out there, from "You" to the acclaimed horror anime "Monster" to the British series "Sweetpea," starring (and executive produced by) Ella Purnell as unassuming murderer Rhiannon Lewis.

A U.K. production that aired on Sky Atlantic, "Sweetpea" adapts a book series by CJ Skuse . The show was distributed in the U.S. by Starz — the first three of the series' six episodes are now streaming for free on Prime Video .

Rhiannon is a wallflower,

See Full Page