Johnny Test is a TV show on American national television from Cartoon Network with an average rating of 3.1 stars by WatchTVOnDemand.com's visitors. We have 34 episodes of Johnny Test in our archive. The first episode of Johnny Test was broadcast in May, 2014. Did you miss an episode of Johnny Test but don't you wan't that to happen in the future? Please set an alarm and add Johnny Test to your favorites, so we can remind you by email when there's a new episode available to watch. Completely free: handy!