ViacomCBS is the recombination of CBS and Viacom that has created a media conglomerate operating around the world. CBS' television assets include the CBS television network, 28 local TV stations, and 50% of CW, a joint venture between CBS and Time Warner. The company also owns Showtime and Simon & Schuster. Viacom owns several leading cable network properties, including Nickelodeon, MTV, BET, Comedy Central, VH1, CMT, and Paramount. Viacom has also built several online properties on the strength of these brands. Viacom's Paramount Pictures produces original motion pictures and owns a library of 2,500 films, including the Mission: Impossible and Transformers series.