Warner Bros. Discovery Networks

Warner Bros. Discovery Networks, formerly known as WarnerMedia Entertainment and WarnerMedia Studios & Networks, is an American mass media division of Warner Bros. Discovery that oversees the operations of many of its television channels and assets owned and operated in the United States. Its related international division is Warner Bros. Discovery International.

Discovery Networks U.S.
In October 1996, Discovery Networks after the launch of several networks, that include Animal Planet, and the digital cable channels Discovery Kids, Discovery Travel & Living, Discovery Civilization, and Science Channel, with two years later being followed by the 1997 purchase of a 70% stake in Travel Channel, and the 1998 launches of Discovery en Español, Discovery Wings, and Discovery Health Channel.

On July 31, 2017, Discovery announced it would acquire Scripps Networks Interactive, owner of networks such as Food Network, HGTV, and DIY Network, for $14.6 billion, with Discovery's brands being reorganized under different executives chief brand officers: SNI's chief programmer Kathleen Finch became chief brand officer of Lifestyle, overseeing TLC, the six former Scripps channels, and Discovery's other lifestyle networks, with Rich Ross, who formerly served as group president of Discovery and Science, stepping down, and being replaced by TLC president Nancy Daniels as chief brand officer of Discovery & Factual.

WarnerMedia Studios & Networks
On March 4, 2019, AT&T would reorganize its broadcasting assets to effectively dissolve Turner Broadcasting System withs its assets moving to the newly created WarnerMedia Entertainment with the unit consisting of HBO, TBS, TNT, TruTV, and an upcoming direct-to-consumer video service with Cartoon Network, Adult Swim, Boomerang, and Turner Classic Movies would be moved under Warner Bros. Entertainment via the new "Global Kids & Young Adults" business unit.

On August 10, 2020, the WarnerMedia Entertainment and Warner Bros. Entertainment television assets were merged to form WarnerMedia Studios & Networks Group with several of its units being reaorginazed in a major corporate revamp that resulted in TBS, TNT and TruTV being brought back under the same umbrella as Cartoon Network/Adult Swim, Boomerang and TCM with Casey Bloys—who was with WarnerMedia since 2004 (as director of development at HBO Independent Productions), being elevated to President of Programming at HBO and Cinemax in May 2016—added oversight of WarnerMedia's basic cable networks and HBO Max to his purview.

Merger as Warner Bros. Discovery Networks
On May 17, 2021, three years after the acquisition, AT&T decided to sell its ownership of WarnerMedia in a merger with Discovery, Inc. to form a new publicly traded company, Warner Bros. Discovery. On April 8, 2022, WarnerMedia was divested by AT&T and merged with Discovery, Inc. to form Warner Bros. Discovery (WBD). All linear networks owned by the company, besides CNN, Turner Sports, HBO, and Magnolia Network, being overseen by Kathleen Finch as head of Warner Bros. Discovery Networks.

Broadcast and FAST channels

 * Free TV Networks (broadcast networks; joint venture with Lionsgate and Gray Television)
 * The365
 * Outlaw
 * Defy (joint venture with A&E Networks)
 * WBTV (FAST streaming channels)

Former channels

 * AT&T SportsNet - shut down on October 21, 2023
 * AT&T SportsNet Pittsburgh - sold to Fenway Sports Group
 * AT&T SportsNet Southwest - sold to a joint venture between the Houston Rockets and Houston Astros (50% stake)
 * AT&T SportsNet Rocky Mountain - ceased operations at the end of 2023
 * Root Sports Northwest (29% stake with Baseball Club of Seattle, LP) - had sold its stake to the Mariners in January 2024
 * BET Holdings, Inc. - 15% with Robert L. Johnson, BET executives and shareholders, Taft Television & Radio Company and Liberty Media/Tele-Communications, Inc., sold its stake in 1996.
 * Discovery Health Channel
 * Discovery People
 * Comedy Central (50% with Viacom) - sold its stake in 2003
 * E! - stake acquired by Comcast and The Walt Disney Company in 1997.
 * Game Show Network, LLC — 42% stake acquired by co-owner Sony Pictures Television in 2019.
 * Great American Country - sold to GAC Media in 2021 and rebranded as GAC Family
 * 3net - 3D television channel jointly owned with Sony and IMAX Corporation; operated from 2011 to 2014
 * Motor Trend (moved under TNT Sports)
 * Magnolia Network (moved under Home Box Office, Inc.)