The Tests become rich when they sell one of Susan and Mary's inventions, but Bling Bling is jealous and goes to war with them.

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 ...

Johnny Test ran from 2005 until 2014. It originated as part of the Kids’ WB block, before moving to The CW, and finally to Cartoon Network in the U.S. As a Canadian co-production, it ran in that ...