Johnny Test 506 - Black & White & Johnny All Over/Johnny's Rat Race

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The agents ask Johnny & Dukey to help them find their deadliest rogue agent - a cuddly robotic puppy, that will set off a neutron bomb if angered! Johnny uses a most unlikely substance to stop the runaway pooch.//Johnny hypnotizes Susan and Mary's lab mouse, Montague, to help him get an A+ in Science Class, but a ringmaster kidnaps him from the school to be the star of his rundown circus. The gang saves Montague - and the circus!
Take one part spiky hair, two parts genius sisters, a dash of talking dog, mix thoroughly and the result is an action-packed animated series about a boy willing to try anything in the name of science. Join Johnny and his dog Dukey in their high-action escapades. #JohnnyTest #Cartoons