Cartoon Network HD

2007–2009
On October 15, 2007, Cartoon Network launched its HD simulcast feed under the name "Cartoon Network HD".

2010–Present (USA), 2011–2015 (UK & Ireland, Europe)
Beginning the week of July 17, 2015, Cartoon Network in Europe, United Kingdom, Ireland removed the HD symbol from its screen-bug. Then on July 28, 2015, Cartoon Network Europe, United Kingdom, Ireland began producing its standard-definition programs in letterbox format. therefore, the HD branding was phased out and high and standard-definition viewers now both see the same picture. Since September 30, 2017, Cartoon Network brought back the SD feed for SD viewers, and since October 1, 2017, and began to revive the HD symbol on its screen-bug, this marks the return of the SD feed of the network.