“From Obscurity to Excellence: The Story of Grapes and Wine in the Russian River Valley,” a 76-minute documentary film by Joe Nugent, Sonoma County viticulturist and retired chemistry professor, will premiere Saturday, Dec. 1, in Santa Rosa.

There will be two screenings, at 7 and 9 p.m., in the East Auditorium of the Wells Fargo Center for the Arts, Wells Fargo Center for the Arts, 50 Mark West Springs Road, Santa Rosa. 546-3600, wellsfargocenterarts.org.

Nugent planted his first Pinot Noir on a 20-acre property in the Russian River Valley in 1997, and recently finalized the sale of his vineyard to his exclusive longtime client, Donum Estate in Los Carneros.

Tickets cost $12 online, or $15 at the door.

For more information about the movie visit the movie’s website: http://www.russian-river-valley.com.