On 11 November 2006, Cartoon Network Korea was launched, replacing the pan-Asian version on certain South Korean TV providers (but the process wasn't completed until 2011).

In 2006, several new series premiered, including Robotboy, The Life and Times of Juniper Lee, Camp Lazlo, Hi Hi Puffy AmiYumi, My Gym Partner's a Monkey and Squirrel Boy.

[2] The channel carried four programming blocks at launch, the Korean version of Tiny TV (꼬마 TV), Nonstop Cartoon (논스톱 카툰), Pang Pang Fridays (팡팡 금요일), the Korean version of Fridays, dedicated to premiere episodes, and the movie block Cartoon Cinema (카툰 시네마).

On 26 December 2011, Cartoon Network Korea introduced the "CHECK it" branding and own slogan, 신나는 재미 (Exciting Fun).

On 8 January 2022, Cartoon Network Korea began using the "Redraw Your World" branding used in the United States, Hong Kong, Taiwan, and Southeast Asia.