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.

Matthew Fox, Evangeline Lilly, Josh Holloway
Seasons: 1-4
Network: ABC

Story: Four dozen people survived a plane crash and are lost on an uncharted island in the South Pacific. As the strangers band together for comfort and support, they realise several things are very strange about their new home.

Bret Harrison, Ray Wise, Missy Peregrym
Seasons: 1
Network: The CW

Story: A 20-something slacker wakes up one morning to learn that his parents sold his soul to the devil. Now he's a bounty hunter who's job is to send some of the darkest souls that have escaped from hell back to the pit.