'Masters Of Sex' And 'Ray Donovan': Showtime's New Dramas Get A Risque Preview Trailer (VIDEO)

Between the critically-acclaimed "Homeland" and the resurgence of "Dexter," Showtime has had a good year -- but will 2013 be even better? If the newly released trailer for "Masters of Sex" and "Ray Donovan" is any indication, the cable network is off to a promising start.

In "Ray Donovan," Liev Schreiber stars as the kind of fixer who makes the problems of L.A.'s most notable celebrities, superstar athletes, and business moguls disappear. Things take a turn for the worse when Ray's father (Jon Voight), is unexpectedly released from prison, setting off a chain of events that shakes the Donovan family to its core. The cast also includes Elliott Gould as Ray's long-time client and mentor; Paula Malcomson as Ray's wife, Abby; and Eddie Marsan and Dash Mihok as Ray's brothers.

Tonally, "Masters of Sex," starring Michael Sheen and Lizzy Caplan, is lighter fare -- focusing on the real-life pioneers of the science of human sexuality, William Masters and Virginia Johnson. The series will chronicle the unusual lives, romance, and pop culture trajectory of Masters and Johnson. According to Showtime, their research touched off the sexual revolution and took them from a mid-western teaching hospital in St. Louis to the cover of Time magazine and nearly a dozen appearances on Johnny Carson's couch. Caitlin Fitzgerald, Nicholas D'Agosto, and Teddy Sears also star, along with Beau Bridges and Margo Martindale.

Check out the preview for both shows below:

Will you watch Showtime's new dramas? Share your first impressions below!