CBS'(CBS) - Get Report Showtime premium cable channel, in a race with Time Warner's (TWX)  HBO to secure partners for its new online streaming service, became the first premium service to be offered to Hulu's nearly nine million online video subscribers.

The new streaming service will be offered to Hulu subscribers ahead of Showtime's July 12 premiere of its next seasons of  hits Ray Donovan and Masters of Sex, executives of the two services said in a press release. New and existing subscribers who pay $7.99 to Hulu would pay an additional $8.99 to receive Showtime as well, for a combined monthly cost of $16.98 a month, according to Showtime.

Showtime had previously said it would be available through Apple's(AAPL) - Get Report and Roku players and TV models as well as to subscribers of Sony's(SNE) - Get Report Playstation Vue service. Time Warner's $14.99 a month HBO Now streaming only service is available through Apple and will be coming soon to Android and Chromecast devices, according to its web site.  In March, the company signed with Cablevision CVC to offer the service to the cable operator's online subscribers.

Hulu was launched in 2007 and is owned by Comcast's(CMCSA) - Get Report  NBC Universal, Fox's FOX (FOX) - Get Report Broadcasting Company and Disney's(DIS) - Get Report ABC TV group. It offers both ad supported and subscription versions, where subscribers can access episodes of older and recent TV shows.