customers, as WarnerMedia has not yet signed deals to distribute HBO Max on that platform; until its replacement by HBO Max on those platforms in November 2020, it also served as a default HBO OTT service for Amazon Fire and Fire TV customers. As a consequence of an agreement with WarnerMedia announced the day prior to offer HBO Max on Roku devices starting the following day, the HBO streaming service was discontinued on December 17, 2020. HBO Max HBO Max is an over-the-top subscription streaming service operated by Warner Bros. Discovery Global Streaming and Interactive Entertainment built mainly around HBO's programming and other Warner Bros. Discovery assets. Programming HBO's programming schedule currently consists largely of theatrically released feature films and adult-oriented original series (including, , dramas such as Succession, Euphoria, Industry, The Gilded Age, House of the Dragon and The Last of Us; comedies such as Curb Your Enthusiasm, Barry, and The Righteous Gemstones; and topical satires Last Week Tonight with John Oliver and Real Time with Bill Maher). In addition, HBO also carries documentary films (mainly produced through in-house production unit HBO Documentary Films), sports-focused documentary and magazine series (produced through its HBO Sports production unit), occasional original made-for-TV movies, occasional original concert and stand-up comedy specials, and short-form behind-the-scenes specials centered mainly on theatrical films (either running in their initial theatrical or HBO/Cinemax broadcast window). Newer episodes of most HBO original programs usually air over its main channel after 9:00 p.m. Eastern and Pacific Time; depending partly on the day's programming schedule, repeats of original series, made-for-cable movies and documentaries (typically excluding programs with graphic violent or sexual content) are shown during the daytime hours on the main channel, and at various times on HBO's themed channels. Four of the themed multiplex channels—HBO Signature, HBO Family, HBO Comedy and HBO Zone—also each carry archived HBO original series and specials dating to the 1990s. (Outside of HBO Family, which regularly airs archived family-oriented series and specials, airings of older original programs may vary based on the channel's daily schedule.) Beginning with its programming expansion to afternoons in 1974, the primary HBO channel had imposed a longstanding watershed policy prohibiting films assigned an "R“ rating from being broadcast before 8:00 p.m. ET/PT. (At various points, HBO also prohibited showings of X-/NC-17-rated and foreign art films.) The policy—which extended to films shown between 6:00 a.m. and 8:00 p.m. ET/PT, when HBO