Porndogs: The Adventures of Sadie (2009)

Porndogs: The Adventures of Sadie starring Marilyn Chambers, 2009

Starring: Marilyn Chambers, Ron Jeremy, Too $hort, Dustin Diamond, Heidi Fleiss, Paul Rodriguez, Tera Patrick, Evan Seinfeld, Paul Ogata

Writer & Director: Greg Blatman

Producer: Greg Blatman, Gene Trent, Felice, Thomas Harrigan

Released: December 5, 2009 (Minneapolis Underground Film Festival); December 23, 2009 (DVD)

Yellow Lab Sadie (voiced by Marilyn) is a pampered pooch whose life is turned upside down when she goes into heat and can't decide what to do with her newfound feelings and urges. When she learns that her owners are going to have her spayed, she runs away to the big city for a final fling. 

This was Marilyn's final film.

Porndogs: The Adventures of Sadie starring Marilyn Chambers, 2009
Porndogs: The Adventures of Sadie starring Marilyn Chambers, 2009
Porndogs: The Adventures of Sadie starring Marilyn Chambers, 2009
Trailer