Improv Playhouse of San Francisco @ Stagewerx Saturday, March 31, 2018 8:00 PM 10:00 PM 20:00 22:00 Stagewerx 446 Valencia Street San Francisco, CA, 94103 United States (map) Google Calendar ICS IPSF is back with their signature format, The Naked Stage. A three-act stage play on a single set (of your choosing). One character each. No scene cuts or time jumps. Click here for Tickets!