It's not too late to get with Dexter. Each year is a new story arc and you can jump right in. I have a great background video for you after the jump.

"America's Favorite Serial Killer" Dexter starts a new set of challenges on October 2nd. The Showtime series has Dexter flirting with religion and features some great actors in recurring roles. Mos Def, Colin Hanks and Edward James Olmos join the cast this season. Check out this five minute promo/behind the scenes look at the show.