Usually, we try as hard as we can to avoid the real world, but we'll make an exception for the fourth San Francisco Documentary Film Festival. There are so many unbelievable films to check out over the festival, which opens tonight and runs through Sunday May 22. Many of the directors of the films and other interesting folks will be making appearances throughout the festival, so if you're a documentary groupie this Festival is the place to be.

Tonights big opener is Mana: Beyond Belief, the 7:30 screening of which is followed by the roller-disco opening night party at Art SF (110 Capp Street, party begins at 9). "Sierra Nevada specials, cheesy 70s flix projected, fun tunes to skate to, cheap skate rental from Black Rock Roller Disco" are all promised, and Wookies and Storm Troopers are rumored to be in attendance.

Ticket information for all screenings can be found here. And whether the film is at the Roxie, the Little Roxie (1 block away at 16th and Albion), or the Women's Building, SFist will be there to report back on the scene.