The second season of Showtime's Dexter is coming to an end this Sunday, and we're closing it out with a bang. We're giving away some posters from this popular Showtime series to our fans.

Winners Receive:

- Dexter poster

RELATED: Win Love, Rosie DVD Signed by Lily Collins

CLICK HERE to enter this contest.

We also have word about a special online event for the show. The season finale will air on Sunday December 16 at 9 PM ET/PT and immediately following the show, at 10 PM ET/PT, Showtime will be hosting an online event where you can see videos of the cast and crew talking about the finale, and you can also chat live with other fans. CLICK HERE at 10 PM ET/PT to join in the fun.

We also have learned about a Showtime contest where you can enter to win a walk-on role in the next season. CLICK HERE for more info on that contest.

Finale Synopsis

The Task force believes the Bay Harbor Butcher case is closed, but Dexter still has some trouble to deal with.