Episode Title:Johnny Two-Face/Johnny Susan, Susan Johnny.Episode Description:Johnny Two-Face: Tired of Johnny's constant lying, Susan and Mary try to make him tell the truth, but attach a second mouth to him that does nothing but tell the truth.
Johnny Susan, Susan Johnny: Susan swaps bodies with Johnny so that she and Mary can get a men-only science award. Then Eugene kidnaps Susan Johnny, straps his/her arm to the table, and duct tapes his/her mouth.