My Sister, Benedict Arnold The Brady Bunch : Season 3 Episode 5
TV-G ABC 30m
Aired: October 15th, 1971 @ 12:00 AM EST on ABC
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.
