- Country: USA
- Genres: Adult
- Release: 1973-01-11
- Director: N/A
- Writers: N/A
- Language: English
- Stars: Orita De Chadwick , Ric Lutze , Annette Michael , Neil Perlman , Paul Scharf , Becky Sharpe
- Runtime: 55 min
- Awards: N/A
- AKA: Pledge Sister (United States of America) , Pledge Sisters (United States of America) , Sorority Girls (United States of America) , Pledge Sister
- Plot: Timid freshman Melanie gets endorsed by her uninhibited swinger sister Cheryl as a potential new member of the sorority Kapa Delta. However, Melanie first has to endure a special secret carnal initiation rite prior to being eligible to join the sorority.
- IMDB:tt0145998
Pledge Sister Cast · · · ALL
Orita De Chadwick
Cheryl
Ric Lutze
Cappy's Roommate
Annette Michael
Helen
Neil Perlman
Alan
Paul Scharf
Cappy
Becky Sharpe
Melanie