CNN, the world's first, live, in-depth, round-the-clock news television network. A second all-news service, Headline News, began operation on January 1, 1982, offering updated newscasts every half-hour. In December 1976, WTCG originated the "superstation" concept, transmitting via satellite to cable systems.

In March 1986, TBS acquired the MGM library of film and television properties. This library formed the initial programming cornerstone of TNT, which was launched on Oct. 3, 1988.

In December 1991, Turner acquired the rights, library and production facilities of Hanna-Barbera Cartoons. Cartoon Network, launched on October 1, 1992, showcases the company's vast library of cartoons and original productions.

In 1979, the company changed its name to Turner Broadcasting System, Inc. (TBS, Inc.) and the call letters of its flagship entertainment network to WTBS. In 1980, the company broke new ground with the launch of CNN, the first 24-hour all-news network, forever changing the way the world saw breaking news. Today, CNN services reach nearly one billion people around the globe.