From January 7th to January 10th, customers of participating providers get free access to all of the great SHOWTIME® Original Series and movies, including Showtime On Demand. Watch the season premiere of Californication and series premieres of Episodes and Shameless two days before they premiere on SHOWTIME®!
Movies during this weekend include The Hurt Locker, Inglorious Basterds, Quantum of Solace, The Twilight Saga: New Moon, Twilight, Vanilla Sky, and Scary Movie 2, just to name a few.
It does say "customers of participating providers", but doesn't list who or where, so you'll just have to check your own channels.