FILM: Bundle up and bring a chair to Union Square for Film Night in the Park's screening of the Billy Crystal/Meg Ryan classic, When Harry Met Sally. If you bring the kids, get ready for some awkwardness during that one scene. (8 p.m., Union Square, Geary and Powell)

MUSIC: Psychedelic "stoner-rockers" Dead Meadow bring their "unique marriage of Sabbath riffs, dreamy layers of guitars fuzz bliss, and singer Jason Simon's high-pitched melodic croon" to Oakland's New Parish tonight, along with guests Hot Lunch and Moccretro. (8 p.m., The New Parish, 579 18th Street)

ART: Modern Eden Gallery presents the opening of two group exhibitions tonight, including The New Surrealism, an homage to the strange and weird, reflecting the evolving future of surrealism in the modern age, and The Order, featuring new paintings by Bradley Platz and Michael Ryan. (7 to 10 p.m., Modern Eden Gallery
403 Francisco Street)