Free Preview for: Cinemax, HBO, Showtime Available to Subscribers of: DirecTV Free Preview Begins: February 17, 2017 (Friday) Free Preview Ends: February 20, 2017  (Monday) DirecTV will be having a free preview of HBO, Cinemax, and Showtime February 17-20. Thank you Deon for letting us know about this free preview! Do you know about an […]