Kids' WB was an American children's programming block that originally aired on The WB Television Network from September 9, 1995 to September 16, 2006. On September 23, 2006, the block moved to The CW, which was created by CBS Corporation and Time Warner as a replacement for both The WB and UPN. It was succeeded by The CW4Kids (later renamed Toonzai) on May 24, 2008, which it was eventually succeeded by Vortexx on August 25, 2012, which it ran until September 27, 2014 and replaced by One Magnificent Morning created by Hearst Media Production Group (formerly known as "Litton Entertainment") on October 4, 2014. Vortexx was known to be the last Saturday morning cartoon block.
The name relaunched in 2018 as WB Kids Go!, operating as a YouTube channel and a website.
Tom and Jerry Tales premiered on the Kids' WB after it moved to The CW on September 23, 2006.