NBC switched to teen-oriented documentary programming in the time slot in 2016 because the programming was less likely to cause Weekend Today viewers to tune out.

Top Cat, The Jetsons and Jonny Quest, Ross Bagdasarian's The Alvin Show, and Bob Clampett's Beany and Cecil.The block broadcasts both animated and live-action shows (including original programming, reruns of animated sitcoms, and other action and anime series) generally with minimal or no editing for content. A 1996 Federal Communications Commission mandate, issued in the wake of the Children's Television Act of 1990, requires that stations program a minimum of three hours of "educational and informational" ("E/I") programming per week. The block featured mainly scripted animated and live-action series; Cookie Jar-produced programs that did not comply to regulations on children's television programming in the United States aired under the sub-block This is for Kids.

Williams Street Productions is the adult production studio division that provides original program to the network's late-night programming block Adult Swim that is located in Atlanta, Georgia, along with the main headquarters of the network.

On September 19, 2009, KEWLopolis was re-branded as Cookie Jar TV, with its target audience shifted toward preschoolers. By late 2008, most shows that were part of the ABC Kids block (except for Power Rangers outside of the MMPR re-version) were reruns of older episodes that originally aired a few years earlier; this remained the case for the next three years, with no episodes added into rotation (thus, for instance, the first season of Hannah Montana was still running on ABC Kids in constant repeats, even though several further seasons had aired on Disney Channel by the time the block ended).