Michael C. Hall, Jennifer Carpenter, Julie Benz
Seasons: 1-3
Network: Showtime

Story: Dexter Morgan works for the Miami Metro Police Department as a blood pattern analyst. That's just his day job, at night he's a serial killer who goes around killing off some of societies less desirable elements.

Douglas Henshall, James Murray, Hannah Spearitt
Seasons: 1-2
Network: ITV

Story: A team of scientists investigate time anomalies and must deal with the prehistoric and future creatures that travel through to the present. Not helping is that the team leader's ex-wife has an agenda all her own.

Tom Welling, Michael Rosenbaum, Kristin Kreuk
Seasons: 1-8
Network: The CW

Story: A meteor shower rains destruction on the citizens of Smallville, Kansas. Years later, a popular yet awkward teen attempts to decipher the meaning of his strange abilities which set him apart from his peers. His name is Clark Kent.