Evil Villain "The Tickler" discovers that the way to destroy Johnny Test is by eliminating the people who supply him with all his inventions - Susan and Mary. Johnny needs a crash course in evil to defeat him and takes the advice of all the villains in town to save his sisters.
Cartoon Network is home to your favorite cartoons, full episodes, video clips and free games. Play with your favorite Cartoon Network characters in Teen Titans GO! games, Adventure Time games, Regular Show games, Gumball games and more. Watch episodes and video clips of your favorite TV shows like Adventure Time, The Amazing World of Gumball, Regular Show, Ninjago, Teen Titans GO!, Steven Universe, We Bare Bears, Clarence and more.