My Sister, Benedict Arnold
Show: The Brady Bunch --> Season: 3 - Season 3
AirDate: 10/15/1971
Runtime: 25
Voting: 0 (0)

Overview: Greg is furious when he discovers Marcia is dating Warren Mulaney, his arch rival who beat him out in a basketball rank. To get revenge, Greg begins dating the woman who beat Marcia out in cheerleading.