Cousin Oliver comes to live with the Bradys. He immediately causes a series of accidents, which lead him to believe that he is a jinx.
When Dr. Chester Dolenz kidnaps Oscar and replaces him with a robot duplicate in a plot to destroy Steve and steal a secret formula, Steve must defeat the robot. Henry Jones guest stars.
Lucy is determined to do her civic duty and joins a jury. Lucy disagrees with other jurist in court, and holds up proceedings. A spoof of "12 Angry Men". Joan Rivers guest stars as another member of the jury.