• Rainbow Skate: As if rollerskating couldn't get any gayer, Redwood Roller Rink has made Wednesday nights exclusive queer. So tonight, gay, lesbian, bisexual, transgender, and even a smattering of straight folks come together to whirl around the rink. Starts at 8 p.m.; $7 covers both admission and skate rental.
• Benefit for the Metropolitan Arts and Technology's Drama Program: Help the kids won't you? Metropolitan High -- you know, that large school on Treat Street, targeting "communities with the greatest need" -- aim is to send every student to college. And the theater/drama department needs your help. Rock (and, dare we say, emo-sounding) local bands Union Trade, Aim Low Kid, and Audiophase perform for your listening pleasure. Doors open at 8 p.m. at Rickshaw Stop; $10 donation.
• Black, White + Gray: A Portrait of Sam Wagstaff and Robert Mapplethorpe (2007): '70s punk aesthetics are bandied about in this documentary focusing on the relationship between photo collector Sam Wagstaff, notorious photographer Robert Mapplethorpe, and Patti Smith. Screens at 6:30 p.m., 8, 9:30 at the Roxie; $5-9.