Teenage Johnny Test and Powerpuff Girls is a animation-comedy-family-science-fiction starring James Arnold Taylor as Teenage Johnny Test, Saki Fujita as Hatsune Miku, E.G. Daily as Buttercup, Cathy Cavadini as Blossom and Tara Strong as Bubbles, Elizabeth Daily as Buttercup and Catherine Cavadini as Blossom. The series was released Sat Sep 17, 2005 on Cartoon Network and is in its sixth season. Johnny Test is an American-Canadian animated television series produced by Warner Bros. Animation, for the first season, and Cookie Jar, for the remainder of the series. It premiered on Kids' WB, on September 17, 2005, which continued to air the series through its second and third seasons. The rest of the series aired on Cartoon Network, from its debut on January 7, 2008, in the United States and internationally. In Canada, the series aired on Teletoon, premiering September 8, 2006.