Roku and Tubi to Launch Warner Bros. Discovery Free, Ad-Supported Channels, Featuring HBO’s ‘Westworld’ and More Deals also will bring 2,000 hours of on-demand WBD movies, TV series to Roku Channel and Tubi UPDATED: Roku and Fox Corp.’s Tubi are set to bring a big bucket of free, ad-supported content from Warner Bros. Discovery to their streaming platforms. Roku and Tubi are the first two partners for WBD’s new free, ad-supported streaming television (FAST) channels. The deals come after Warner Bros. Discovery in December announced that it was removing several shows from HBO Max — including “Westworld,” “The Nevers,” “Raised by Wolves,” “FBoy Island,” “Legendary,” “Finding Magic Mike,” “Head of the Class” and “The Time Traveler’s Wife” — to license [...]