CBS (Columbia Broadcasting System) is one of the United States' major broadcast networks. As a national television network, CBS distributes programming through a mixture of company-owned and independent local affiliate stations and through digital platforms. It is commonly grouped with other long-established American networks such as ABC, NBC and FOX.

History and development

Originating as a radio service in the early days of commercial broadcasting, CBS expanded into television during the mid-20th century and became a major provider of national programming. Over decades it evolved with changes in technology and ownership, adapting from a linear broadcast model toward cable and streaming distribution while retaining a prominent place in network television.

Programming and organization

CBS's schedule typically blends national news, entertainment series, sports, and syndicated shows. Its news division produces nightly and investigative programs that reach a nationwide audience. The network operates through a structure of owned-and-operated stations plus hundreds of local affiliates that carry network programming and local news.

  • News: National evening newscasts and investigative magazine shows.
  • Entertainment: Prime-time dramas, comedies and reality fare.
  • Sports: Major rights for professional and collegiate events; partnership broadcasts and specials.
  • Distribution: Over-the-air affiliates, cable partners, and streaming services tied to the corporate parent.

Significance and notable facts

CBS has played a major role in shaping U.S. broadcast culture, launching long-running programs and influencing industry standards for news and entertainment. It remains an important vehicle for national advertisers and a central point in discussions about media consolidation, content rights, and the transition from broadcast to on-demand viewing.

The network's combination of historic legacy, local station relationships, and multi-platform distribution keeps it a central institution in American broadcasting and a bellwether for changes in the television industry.