Secret agent Poontang Plenty, who works to defeat evil while trying to crack the secret of invisibility.
- Release Date: May 19, 1966
- Runtime: 68 minutes
- Production countries: United States of America
- Original Title: The Girl from S.I.N.
- Original Language: English
Genres: Comedy
Actors: Barbara Kemp, Mary O'Hara, June Roberts, Joyana, Caroline Evans