TV show
Johnny Test
63%
Audience score265 votes on TMDB
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.
- Creator
- Scott Fellows
- Status
- Ended
- First air date
- 17/09/2005
- Original language
- English
Main cast








Seasons and episodes
Images



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#twin sister#scientist#dog