Premieres Thursday, September 9 at 7:30 p.m. ET/PT
Season 4 • 13 x 30 min
An action-comedy extravaganza, Johnny Test chronicles the adventures of a fearless 11-year-old boy, his genetically engineered super dog Dukey, and his 13-year-old super-genius scientist sisters Susan and Mary. Using Johnny as their guinea pig, Susan and Mary strive to solve the trials and tribulations of adolescent angst with out-of-this-world scientific experiments.




