High Quality Content by WIKIPEDIA articles! Nicktoons is a British digital television channel launched on 22 July 2002. It is a cartoon based sister channel to Nickelodeon. The channel airs cartoons, these are commonly known as Nicktoons, as well as other cartoons known as non-Nicktoons. Unlike the United States version, it has been ad-supported since it was launched and also it does not broadcast 24 hours a day. Nicktoons timeshares with Teleshopping.