COMEDY: SF Sketchfest presents two new never before-riffed films in San Francisco at The Return of Cinematic Titanic with Joel Hodgson, Trace Beaulieu, J. Elvis Weinstein, Frank Conniff and Mary Jo Pehl from Mystery Science Theater 3000. Films include cult classics Samson and the 7 Miracles of the World and Rattlers -- see the double feature or just go to one, your choice!

7 p.m. and 9:30 p.m. // Castro Theatre (429 Castro Street) // $35-60

ART: The Lab presents, Pursuing a Calculated Distance, featuring the work of artists Seth Curcio, Bradley Hyppa, and Benjamin Meyer, who explore "how landscape can convey social identities, technological anxieties, and a new sense of place" through bold color, graphical abstraction, and sourced imagery.

6 to 10 p.m. // The Lab (2948 16th Street) // free

CLUB: Don your skivvies tonight at Dirtybird Records' 2nd Annual Springtime Pajama Jam, featuring DJs J. Phlip, Justin Martin, Claude Von Stroke, Christian Martin, and Worthy. Wear your pjs and get in free before 11 p.m.

9 p.m. // Mezzanine (444 Jessie) // $10-20, RSVP