What if the Dark Passenger isn't a need, but a calling? Does Dexter serve a higher purpose? Can a serial killer be a messenger of God?

The sixth season of Dexter will deal with these large issues, as initially teased by showrunner Scott Buck and emphasized in the following trailer for the Showtime hit.

Kicking off a year after the events from the fifth season finale, look for season six to give Dexter a new perspective on his murderous hobby, while addressing the question of what he'll pass on to Harrison. Visit our Dexter spoilers section for more and check out the latest preview now:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.