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"The Dog Days of Johnny" and " Johnny's Pink Plague " are the two segments that make up the tenth episode of the first season of Johnny Test . In the first segment, Susan and Mary invent a "neural obedience collar" to control Johnny's talking dog, Dukey, after he destroys too many of their things.

In the second segment, " Johnny's Pink Plague ," the sisters create a super-powered zit cream to help Mary with a giant pimple. While intended to be the ultimate teen invention, the cream was not fully stabilized and caused a "pimple plague" throughout Pork Belly. The sisters ultimately save the day with a high-powered extinguisher that shrinks and destroys the massive breakout, earning them first place at the Science Bonanza.