As numerous Dexter spoilers have revealed, season four of this Showtime hit focuses on the main character's new family.

The network is clearly having a lot of fun with the fact that Dexter is now a father, more so than the serial killer himself will be having - based on a season four trailer - as he tries to squeeze in daddy time with murdering time.

Showtime has released a new round of promotional posters for the new season of Dexter, which premieres on September 27. They feature his adorable son Harrison, who Rita better pray isn't actually a chop off his father's blood-thirsty block...

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