On September 14, 2009, the international arm of CBS, CBS Studios International, reached a joint venture deal with Chellomedia to launch six CBS-branded channels in the United Kingdom – which would respectively replace Zone Romantica, Zone Thriller, Zone Horror and Zone Reality, as well as timeshift services Zone Horror +1 and Zone Reality +1 – during the fourth quarter of that year.[211][212] On October 1, 2009, it was announced that the first four channels, CBS Reality, CBS Reality +1, CBS Drama and CBS Action (later CBS Justice), would launch on November 16 – respectively replacing Zone Reality, Zone Reality +1, Zone Romantica and Zone Thriller.[213] On April 5, 2010, Zone Horror and Zone Horror +1 were rebranded as Horror Channel and Horror Channel +1.[214][215]