"Barrier Device" is a 2002 short film written and directed by Grace Lee. It stars Sandra Oh as a sex researcher and Suzy Nakamura as a subject. It won four awards, including the silver medal at the 29th Student Academy Awards.
Researcher Audrey conducts a study on female condoms. In the course of her work, she discovers that Serena, one of her subjects, is romantically involved with her ex-fiancé. Torn between professional integrity and curiosity, Audrey attempts to learn more about Serena's life without compromising her work.
Barrier Device was Grace Lee's master's thesis at UCLA. Lee directly asked Oh to appear in her film.
Barrier Device premiered at the 2002 CAAMFest.