ART: Help restore the artwork that's part of the landmark Defenestration Building at the month-long Operation Restore Defenestration. Artist Brian Goggin has been given access to the building for a minimum of 18 months in order to repair or rebuild the artwork before the building's torn down to make way for affordable family rental housing at some point in the future.

6 to 10 p.m. // 1AM SF Gallery (1000 Howard St) // free

ART II: Southern Exposure presents their 10th Annual Monster Drawing Rally, a live drawing event and fundraiser, in which approximately 30 artists will draw simultaneously in four one-hour shifts. The completed drawings will then be hung on the walls and available for purchase for $60 each. Proceeds benefit Southern Exposure's Exhibitions and Artists in Education Programs.

6 to 10 p.m. // The Verdi Club (2424 Mariposa St) // $10 donation

COMEDY: The wonderfully deadpan Brian Posehn, of The Sarah Silverman Program, Just Shoot Me!, and Mr. Show fame, is headlining Cobb's all weekend. Comedian, parody musician, and video artist Remy Munasifi opens.

8 and 10:15 p.m. // Cobb’s Comedy Club (915 Columbus Ave) // $20.50