Johnny Test

The adventures of average suburban boy Johnny Test, who wittingly plays test subject for his genius twin sisters’ various experiments, reluctantly fighting evil villains in the process. Young Johnny is gung-ho and full of courage. Johnny's brainiac twin sisters, Susan and Mary, use Johnny as their guinea pig for their outrageous scientific experiments. If they can dream it up, Johnny will do it; as long as his genetically engineered super dog, Dukey, can come along.. Watch TV shows online free. Watch Johnny Test series online.