• RiffTrax Live at the Castro - Plan 9 from Outer Space: MST3K's Michael J. Nelson, Kevin Murphy, and Bill Corbett provide live commentary on Ed Wood's cult classic, the abominable and beloved Plan 9 from Outer Space. Eeee! Like, we could just die! (Part of SF Sketchfest.) Starts at 9 p.m. at the Castro Theatre.
• Your Macworld Expo Parties: It's winding down, kids. Partake in the Macworld festivities while you can.
• Ships in the Night: San Francisco's jankiest and most awesome bar--of the homosexual persuasion, anyway--is having one of the city's jankiest and most awesome! DJs L'il Manila, Durt, and Vroom pump out all of your favorite dance floor classics this evening. What's more, your admission fee goes to pro-abortion group, Bay Area Coalition for Our Reproductive Rights. Woo hoo! The drinking and dancing starts at 10 p.m. at the Gang Way; $3-5.