| Broadcast area | Asia |
|---|---|
| Headquarters | Singapore |
| Programming | |
| Languages | English Chinese Malay Indonesian Thai Vietnamese |
| Picture format | 1080iHDTV (downscaled to576i/480i for theSDTV feed) |
| Ownership | |
| Owner | Warner Bros. Discovery Asia-Pacific |
| Sister channels | Cartoon Network Asia Cartoon Network Philippines CNN International Cinemax Asia HBO Asia HLN Warner TV |
| History | |
| Launched |
|
| Replaced | Cartoonito(original) |
| Closed |
|
| Replaced by | Toonami(original) Cartoonito(relaunch) |
Boomerang (currently rebranded asBoom inThailand) was (and still is in Thailand) a pan-Asiancable andsatellitetelevision channel owned byWarner Bros. Discovery International. Likethe original US version, this localization first began as a programming block that aired onCartoon Network Asia (from 2001 to 2005), before becoming its own channel in 2004.
On 1 December 2012, the channel was shut down and replaced withToonami Asia. Eventually, the channel was relaunched on 1 January 2015 as part of Boomerang's 2015 global rebranding effort, replacing Cartoonito Asia.[1][2]
The channel (except in Thailand) was replaced byCartoonito on 28 July 2023. This mark the second time Cartoonito Asia appeared as linear TV channel as other big names, such asDisney Junior andNick Jr. heading into the streaming portfolio.[3]

Boomerang Asia was originally broadcast inThailand from its launch in March 2004 until its closure in December 2012. On 14 August 2013, a localizedThai feed was launched onTrueVisions, using the logo and branding developed by Mainframe forBoomerang UK and other European countries. Boomerang Thailand retained the EMEA branding until 15 March 2024, when it rebranded with the 2015 logo and 2018 branding seen throughout the world.[4][5] As of April 2025,Thailand is the only Asian country with Boomerang. On 27 May 2025, the channel rebranded and changed its name to simplyBoom.
Due to a decision that was made following the cessation ofTA-DAA! on Astro, the channel ceased on Astro on 1 February 2023, and was replaced byCBeebies, while Unifi TV still aired that channel until its rebranding as Cartoonito on 28 July 2023.
In the Philippines, Boomerang broadcast as a channel and also had a block on TV5 Kids that ran from September 2015 to October 2017. The block was in the Filipino language.
In Japan, Boomerang Asia was launched in 2004 and aired via satellite. It broadcast in Japanese. Boomerang Asia's original feed launched on 14 March 2004 was broadcast in Japan until the channel closed on 1 December 2012. It relaunched as an independent feed was launched from January 2018 to 31 March 2022.[6]
In India, Boomerang was able to be viewed viaDishTV India. The Indian feed ceased broadcasting on 2 March 2009 along withTurner Classic Movies Asia.