FILM: Actress Patty McCormack will be live in-person at Marc Huestis' tribute and screening of The Bad Seed, starring McCormack as "one of the most evil child characters ever to grace the screen." The night includes the first ever "Miss Bad Seed" contest judged by Kathy Garver ("Cissy" from Family Affair), performances by favorite local entertainers, and "The Baddest, Seediest Brats of Hollywood" stage processional. (7:30 p.m., Castro Theater, 429 Castro Street)

PARTY: The Yerba Buena Community presents Yerba Buena Night, featuring eight hours of free entertainment, including live samba, bluegrass and contemporary music on two stages, flamenco and modern dance performances, a dance marathon, surprise performances by Cirque du Soleil, along with street performers, poetry readings, gallery walks, and cutting edge video art projections. Good times! (4 p.m. to Midnight, Yerba Buena Lane, Mission, Third and Minna Streets)

DANCE: Non Stop Bhangra celebrates seven years of bringing "swirling colors, the rhythm of pounding feet, and the relentless energy of brilliant beats" to San Francisco. As always, tonight's event features dance lessons with Dholrhythms Dance Company, followed by dance performances, live music sets, visuals, live painting, and DJs spinning an eclectic mix of Bhangra, Hip-Hop, Reggae, and Electronica. (9 p.m. to 2 a.m., Rickshaw Stop, 155 Fell Street)