Showtime has released a brand new promo poster for the upcoming fourth season of Dexter which will premiere on September 27 on Showtime. Click below to enlarge this brand new poster that makes interesting use of the latest addition to Dexter Morgan's family.

<strong><em>Dexter</em></strong> Season 4 Promo

Dexter stars Michael C. Hall, Julie Benz, Jennifer Carpenter and David Zayas. The fourth season will premiere on September 27 on Showtime.