Play numerous "Johnny Test" games, including "Deep Sea Snapshots" and "Tests of Time," at CartoonNetwork.com. Click the Games link in the upper menu of the site, then By Show. Click Johnny Test's icon, choose a game and click Login. Alternately, click Signup to create a free account.
Warner Brothers and Cookie Jar are the producers of "Johnny Test," an American-Canadian animated television series that airs on Cartoon Network and Teletoon. The plot revolves around Johnny Test's adventures with his twin sisters, who are also scientists. He plays the role of test subject in their experiments and inventions, resulting in battles, problem-solving and occasionally saving the world.