Episode Title:Johnny's New Baby Sisters / Porta-Johnny.Episode Description:Johnny's New Baby Sisters: Susan and Mary purposely revert themselves back into babies while the parents are out, and Johnny has to keep them safe from the irresponsible babysitter Gil; this interferes with a party he and Dukey had been planning and Mr. and Mrs. Test are mad.
Porta-Johnny: Johnny tricks his sisters into letting him have teleporting powers by threatening to use water with green food coloring that he said that he mixed ingredients from the unstable cabinet. When they find out, Susan and Mary mess with the powers to get revenge. Later the twins accidentally get them caught in a middle of an art robbery.