Story
Full overview
How much trouble could one imaginative boy, his faithful dog and two science-loving sisters possibly get into? Hmm, that sounds like a challenge!
People
Cast
James Arnold TaylorJohnny Test (voice)
Trevor DevallDukey (voice)
Ashleigh BallMary Test (voice)
Maryke HendrikseSusan Test (voice)Production
Key crew
Scott FellowsExecutive Producer
4
FMM.
Story
How much trouble could one imaginative boy, his faithful dog and two science-loving sisters possibly get into? Hmm, that sounds like a challenge!
People
Production