Showtime is a premium channel .
Films released by Paramount Pictures between mid-1988 and late 1997 were broadcast on HBO ; rival premium channel Showtime assumed pay television rights to Paramount-released films in 1998 , and held them until 2008 , with the rights being turned over to upstart pay service Epix ( which Paramount and its corporate parent Viacom had partially owned ) the following year .
HBO