Fall Festival, with game booths, a costume contest, food vendors, pumpkins, live music, a silent auction, and petting zoo, 4-7 p.m., $2, Trinity Baptist Children’s Center, 1019 California Ave., 310.395.3282.
Fillmore and Western Railway Rides, including “Search for the Headless Horseman Dinner Train,” October 29, and “Pumpkin Liner,” October 30 and 31, times and prices vary, call 805.524.2546.
Creative PlayGround presents Dia de los Muertos-Cuentos de Mi Familia, 11 a.m., $8, Will Gear Theatricum Botanicum, 1419 N. Topanga Canyon Blvd., Topanga, 310.455.3723.
Day of the Dead Festival, with arts and crafts, Latin music, creative art displays, tamales and other refreshments, 1-5 p.m., free, Edison Language Academy, 2425 Kansas Ave., 310.828.0335.
Family Fall Harvest Festival, with activities including costume-making from recycled objects, 2- 5 p.m., free, Santa Monica Main Library, 601 Santa Monica Blvd., 310.458.8600.
Halloween Party with live music by The Paul Chesne Band, costumes encouraged, 10 p.m.-1 a.m., O’Brien’s Pub, 2941 Main St., 310.396.4725.
Haunted Theatre, with music, a horribly funny comedy show, a costume contest plus late night karaoke until 2 a.m., 8 p.m., $15, Westside Comedy Theatre, 1323-A Third Street Promenade, 310.451.0850.
Malibooo Trick or Treat Village at the Malibooo Country Mart, festive décor, trick-or-treating at stores, and a pumpkin-carving contest (winner will receive a $100 gift certificate to Toy Crazy), 3-5 p.m., free, Malibu Country Mart, 3835 Cross Creek Rd., Malibu, 310.317.1364.
Saturday Night Film Club features Nosferatu, a version of the original vampire legend, by Werner Herzog, 8 p.m., free, Vidiots Annex, 302 Pico Blvd., 310.392.8508
2nd Annual Thriller Night Halloween Party, sounds by celebrity DJ Casey Connor, spooky drink specials, a laser light show, MJ costume contests and dance-offs and elaborate Halloween décor on the haunted, outdoor courtyard patio, 8 p.m.-2 a.m., $10 advance, $15-$20 at door, Wokcano, 1413 5th St., www.thrillernightwokcano.eventbrite.com.
Creative PlayGround presents Halloween Stories, “The Raven” and “The Canterville Ghost” with costume-making, 11 a.m., $8, Will Gear Theatricum Botanicum, 1419 N. Topanga Canyon Blvd., Topanga, 310.455.3723.
Dear Bela, poetry written in the apartment where Bela Lugosi died, also premiere screening of “The Count, Part 1” directed by Marc Olmstead, wear costumes if so inclined, 7:30 p.m., $5-$7, Beyond Baroque, 681 Venice Blvd., Venice, 310.822.3006.
Third Annual Halloween Hop, trick-or-treating all along Montana Avenue, plus face painting, temporary tattoos, fortune telling, haunted house, dog costume contest, and candy, 3-6 p.m., free, Montana Avenue between 7th and 17th Streets, www.montanaave.com.
PAL-O-Ween Carnival, sponsored by the Santa Monica Police Activities League (PAL), 5-9 p.m., free, must enter before 8:15 p.m., Barker Hanger, 3021 Airport Ave., 310.458.8988.
West Hollywood Halloween Carnival, the best-known Halloween event in Los Angeles, with a closed street, music, food, and outrageous costumes, 6 p.m.-midnight, free, for mature participants, Santa Monica Blvd. from La Cienega to Doheny Drive, West Hollywood, 323.848.6307.