October 31

UH-Manoa, Keller Hall 302, 9 a.m.-noon, free. Sang Yee Cheon illustrates the important role of language in Korean culture and society as part of the 26th annual Language and Culture Seminar. Pre-registration required. (942-8553, cape.edu)

Foster Botanical Garden, 9:30-11:30 a.m., free. A comprehensive and practical guide for any hobbyist to successfully grow all types of orchids. Pre-registration required. (522-7066)

MOA Wellness Center, Ohana Room, 600 Queen St. #C-2, 9:30-10:45 a.m., call for cost. Carolyn Ho teaches Yamuna Body Rolling. Bring an exercise mat. Pre-registration required. (223-3856)

James Campbell High School, 8 a.m. warmup, 8:30 a.m. start, $20-$10. JCHS PTSA hosts the second annual run/walk at the school. This year, wear your Halloween costume. Prizes for the top three finishers and costumes. (campbellhigh.org)

Hawaii Doggie Bakery, 2961C East Manoa Road, noon-4 p.m., free. Hawaii Doggie Bakery offers special treats for dogs this Halloween. (hawaiidoggiebakery.org, 783-7390)

Windward Church of the Nazarene, 5:30-8:30 p.m., free. Enjoy activities, food and more, including competitions in costumes, pie-eating and pumpkin carving. (235-8787, church@windwardnazarene.com)

Kaimuki Public Library, 1041 Koko Head Ave., Saturdays from Oct. 11-Dec. 6, 10:30-11 a.m., free. Listen to stories, participate in finger plays and rhymes, and make-and-take a simple craft. (733-8422)

First Assembly of God, 3400 Moanalua Road, 5-8 p.m., free. Enjoy over 20 game booths, candy, food, a photo booth and a glow show. Plus, a cockroach race! (836-2300)

Kapolei Shopping Center, 590 Farrington Hwy., 5-7 p.m., free. Attendees can collect treats from participating merchants, pick a mini pumpkin to take home and take part in other activities. (inkapolei.com)

Pearlridge Center, 5-9 p.m., free. Keiki can trick-or-treat around the mall after a Kawaii Kon and Comic Con Honolulu Cosplay Runway Show. Plus, a Halloween Cruz Night takes place above the theaters with car enthusiasts. (pearlridgeonline.com)

Kahala Mall, 5:30-7 p.m., free. Keiki can trick-or-treat safely at mall vendors, plus enjoy a live DJ and entertainment at Center Court. (kahalamallcenter.com)

The Royal Hawaiian, A Luxury Collection Resort, Ocean Lawn and Mai Tai Bar, 5:30-10:30 p.m., $50/adults, $25/children. Ghoulish cocktails and trick or treats for all! Plus, a live DJ, dancers, entertainment, a costume contest and prizes. (921-4600)

Pearl City Shopping Center, 8 a.m. contest, 10 a.m. parade, free. Win prizes for the best costumes, collect treats around the center and enjoy entertainment from Stevo the Clown. (523-5644)

Haleiwa Store Lots, 1-2 p.m., free. Fifty keiki between 1-13 years old will compete for the best Halloween costume, with prizes for the winners. Plus, enjoy trick-or-treating between 10 a.m.-6 p.m., and arts and crafts from noon-3 p.m. (facebook.com/haleiwastorelots)

Waialua Public Library, 10 a.m., free. Keiki are invited to dress as their favorite storybook character and listen to stories of harvest and pumpkins, plus enjoy a puppet show, pinata and cupcakes. (637-8286)

Waianae Public Library, 10:30 a.m., free. This week’s theme is “trick or treat.” (697-7868)

Sea Life Park, 41-202 Kalanianaole Hwy., 2-8:30 p.m., $10.31/park admission. Trick-or-treat throughout the park, plus compete in a costume contest and watch a special Dolphin Lagoon Show at 5:15 and a screening of “ParaNorman” at 6. (253-2500, sealifeparkhawaii.com)

Hawaii Convention Center, 5-9 p.m., free. Enjoy a full evening of entertainment, including trick-or-treating, a haunted house, a costume contest, a screening of “Maleficent” and performances by Aidan James and Pineapple Jam. (943-3025, facebook.com/hawaiiconventioncenter)

Assets School, 913 Alewa Drive, 6:30-9 p.m., free. Refresh Ministries hosts a trunk-or-treat-style Halloween event with 50 candy stations, games, a photo booth, refreshments and more. (trickortreathawaii.org)

Kahala Mall, 4211 Waialae Ave., 5:30-7 p.m., free. Keiki can safely trick-or-treat from mall merchants and enjoy a live DJ and entertainment at Center Court. (kahalamallcenter.com)

Kapolei Marketplace, 590 Farrington Hwy., 5-7 p.m., free. Trick-or-treat at participating stores and restaurants. (shopkapolei.com)

Mililani Shopping Center, 95-221 Kipapa Drive and 95-390 Kuahelani Ave., 3-5 p.m., free. Keiki can enjoy center-wide trick-or-treating, a costume contest, activities and more. (521-2611)

Aiea High School gym parking lot, 5-8 p.m., free. New Hope Leeward Church hosts a Halloween celebration with games, candy, a costume and car contest, live music and a performance from Impact 808. (227-0627)

Windward Mall, 5:30-7:30 p.m., free. Go store-to-store at Windward Mall to trick-or-treat safely. (235-1143)

Cruise departs from Pier 6 at Aloha Tower Marketplace, 5:30-7:30 p.m., $104-$159/adults, $56-$98/children. Atlantis Cruises invites attendees to dine. dress up in Halloween costumes and enjoy live entertainment. Reservations required. (973-1311)

Call for meeting place, Saturdays through Nov. 30, 11 a.m., $40-$30. To celebrate Duke Kahanamoku’s 125th birthday, tour several Waikiki sites related to the Olympic swimmer, including Duke’s Canoe Club, famous Waikiki hotels and the famous Duke statue along Kalakaua Ave. Pre-registration required. (395-0674, filmguy54@hotmail.com)

Hawaiian Brians, 1680 Kapiolani Blvd., 9 p.m.-2 a.m., $5 or free in costume, age 18 and up. Live funk music, plus a wicked DJ and a costume contest. (946-1343)

The Dragon Upstairs, 1038 Nuuanu Ave., 8:30 p.m., $10/general, $8/with costume. Good Foot performs, followed by DJ Coop D Ville. (526-1411)

Blaisdell Concert Hall, Oct. 31 at 7:30 p.m., Nov. 1 at 2 p.m., $27-$79. Hawaii Symphony Orchestra performs a live score of the film “The Nightmare Before Christmas,” conducted by Stuart Chafetz. (hawaiisymphonyorchestra.org)

Windward Mall, noon, free. (922-5331)

Hyatt Regency Waikiki Beach Resort and Spa, 2424 Kalakaua Ave., 8 p.m.-2 a.m., $10-$20/presale, age 21 and up. Waikiki’s biggest and best costume celebration and contest features two dance floors and DJ stages, plus two afterparties to follow at The District and Ginza Nightclub. (flavorus.com/event/COMICS-COME-ALIVE-Halloween-at-the-HYATT/305239)

M Nightclub at Restaurant Row, 9 p.m.-4 a.m., free/outside, $25/inside. Celebrate the horror legacy of Wes Craven at the fourth annual Halloween Block Party hosted by M Nightclub and Tantriq Entertainment. Expect a costume contest and much more. (flavorus.mnlhnl)

Hula’s Bar and Lei Stand, 8 p.m.-2 a.m., $20/presale. Dress for “Comic Con” at this year’s costume contest, with $2,000 in cash and prizes up for grabs, plus a live DJ, dancers and more. (hulas.com, 375-8440)

SKY Waikiki, 8 p.m. doors open, $20. Celebrate Halloween in style at SKY Waikiki, with the theme “Stairway to Heaven, Highway to Hell.” Highlights include a $5,000 costume contest, music from DJ Toma and DJ Zilla, and more. (979-7591, vip@skywaikiki.com)

The District and Ginza Nightclub, 1-4 a.m., free/stamp from Halloween at the Hyatt. Enjoy a “Star Wars”-themed party featuring DJs Hapa Boy, Min One, Compose, Shift and Graves spinning through the night, plus a $2,000 costume contest. (ginzanightclub.com, thedistrictnightclub.com)

Hard Rock Cafe Honolulu, 280 Beachwalk Ave., 9 p.m., $15-$20, age 21 and up. Hard Rock Cafe Honolulu hosts a costume contest, music from EMKE and DJ Jimmy Taco and more. (flavorus.com/hrchonolulu)

Hawaii Kai Towne Center, 6700 Kalanianaole Hwy., 2 p.m., $5/one duck, $20/five. Rotary Club of Hawaii Kai launches 6,000 rubber ducks to dash to the finish line at high tide as a community fundraiser. (397-6279, rotaryclubofhawaiikai.org)

Event extends from Chinatown to Hawaii State Art Museum, 5:30-10 p.m. street festival, 9 p.m.-2 a.m., Club Hallowbaloo, free/festival, $15/club pass. This year’s Hallowbaloo promises lots of costumes, music, art and food, plus a marathon, ball and club events. Booker T. Jones headlines. (hallowbaloo.com/2015)

Tunnels, 221 Iliaina St., 7 p.m.-midnight, $25-$30. This Halloween party fundraiser for Hawaii Animal Sanctuary features live music from Adela Chu & Espiritu and Paka Twain, dinner, dancing, a costume contest, prize raffle, silent auction and more. (209-298-3669, hawaiianimalsanctuary.org)

Barnes & Noble Ala Moana, 1-3 p.m., free. LiAnn Lilinoe Uyeda signs her cookbook, “Cooking in Pono,” plus shares sweets for the body and soul. (676-0116)

Tenney Theatre at The Cathedral of St. Andrew, Oct. 31 and Nov. 7 at 4:30 p.m., $20-$10. Learn more about the life of Hawaii’s greatest athlete, Duke Kahanamoku, in this one-man show starring Moses Goods. (htyweb.org, 839-9885)

Pouhala Marsh on Waipahu Depot Street, 8:30-11:30 a.m., free. Help Hawaii Nature Center restore the wetlands through invasive plant removal. Pre-registration required. (955-0100 ext. 118, volunteer@hawaiinaturecenter.org)