Cartoon Cartoons is a collective name used by Cartoon Network for their original animated television series originally aired between 1995 and 2003 and produced in majority by Hanna-Barbera and/or Cartoon Network Studios. Beginning with its inception into cable broadcasting on October 1, 1992, Cartoon Network had focused its programming on reruns of older animated series which it had acquired through its parent company's film library. The Cartoon Cartoons label originated with Fred Seibert's animation anthology series What a Cartoon!, an animation showcase series featuring pilots of original cartoon ideas submitted by independent animators. Dexter's Laboratory was the first such pilot to be greenlit by the network for a full series in 1996. After other pilots were successfully produced into their own series, including Cow and Chicken, Johnny Bravo, and The Powerpuff Girls, the collective Cartoon Cartoons were featured on the network's Friday night programming block, Cartoon Cartoon Fridays from 1999 to 2003. Not all CN original series created around this time were officially recognized as Cartoon Cartoons; Samurai Jack, for example, did not bear the moniker. The moniker was retired by the network in 2003, and its last surviving series, Ed, Edd n Eddy, ended on November 8, 2009, over 10 years after its premiere. Since their heyday, reruns of the Cartoon Cartoons continued to air on The Cartoon Cartoon Show (2005–2008) and Cartoon Planet (2012–2014). In 2021, the name was resurrected by the network for a new shorts program. History Cartoon Cartoons first appeared as shorts on animation showcase series What a Cartoon! in 1995, under the name of World Premiere Toons. The series was produced by Hanna-Barbera and Cartoon Network Studios under the direction of Fred Seibert. Seibert had been a guiding force for Nickelodeon (having overseen the creation of Nicktoons shortly prior to his departure) prior to joining Hanna-Barbera and would establish Frederator Studios years later. Through What a Cartoon!, Cartoon Network was able to assess the potential of certain shorts to serve as pilots for spin-off series and signed contracts with their creators to create ongoing series. Dexter's Laboratory was the most popular short series according to a vote held in 1995, and became the first Cartoon Cartoon in 1996. The network's previous original shows, The Moxy Show and Space Ghost Coast to Coast, as well as all acquired programming were not retroactively given the Cartoon Cartoons label. Three more series based on shorts debuted in