5 Season
117 Episode
The Brady Bunch - Season 3 Episode 5 My Sister, Benedict Arnold (1974)
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.
- Country : United States of America
- Genre : Comedy
- Studio : ABC
- Director : Sherwood Schwartz
- Cast : Robert Reed, Florence Henderson, Ann B. Davis, Maureen McCormick, Eve Plumb, Susan Olsen