October 31

Kaiser Permanente – Honolulu Clinic conference room 1BC, 14 classes held Tuesdays and Thursdays through Dec. 10, 5-6 p.m., $70/members, $91/non-members. A beginning class that teaches basic yoga poses. Pre-registration is required. (432-2260)

Kaiser Permanente – Moanalua Clinic second floor waiting area, Mondays and Thursdays through Dec. 16 (no class Oct. 31 and Nov. 28), 5:45-6:45 p.m., $5/class for members, $6.50/class for non-members. Routines feature aerobic fitness interval training with a combination of fast and slow rhythms. Pre-registration is required. (432-2260)

Dream to Dance Studio, 9 p.m.-midnight, $5, open to all ages. Join the instructors of Salsa No Ka Oi for a night of dancing salsa, bachata, merengue and more. A costume contest takes place at 10:30 p.m. (779-7970, salsanokaoi.com)

1203 Whitmore Ave., 5-8 p.m., free. The goal of Aloha Fest is to build family relationships and for children to be safe on Halloween night. Featuring free candies, food, clothing, games and entertainment. (753-0121, 753-8314)

First Assembly of God at Red Hill, 6-8:30 p.m., free. Participate in 20 free games and activities, and enjoy free hot dogs, shave ice and lots of candy. Additional meals and snacks available for purchase. Take home a free photo for the whole family. A “glow-in-the-dark” glow show also takes place. Children must be accompanied by a parent or adult; no scary or grotesque costumes. (firstaog.com, 836-2300)

Hanauma Bay Nature Preserve, Visitor Center Theater, Thursdays through October, 6:30 p.m., free. Hanauma Bay offers a series of educational programs on the topic of “Hawaii’s Interesting Aquatic Habitats” featuring various speakers. (hbaynews@hawaii.edu, 397-5840)

Kaneohe Public Library basement, through Oct. 31, 1-4 p.m. Sun., 1-3 p.m. Tues., 10 a.m.-3 p.m. and 6-7:45 p.m. Wed., 1-3 p.m. Fri. The Friends of Kaneohe Bookstore present a monthlong book sale. All horror books sold for half-off during the month of October. (247-4819)

Honolulu Zoo, enter at gate 6, 5-9 p.m., $8-$10. Fun fright-night activities include trick or treating, costume contests, carved and painted pumpkin contests, games and crafts. (honoluluzoo.org, 1-800-979-3370)

Wahiawa Public Library, 6 p.m., free. Join Mr. Matt for some creepy, crawly stories and some ghostly, ghastly, ghoulishly fun crafts. Recommended for children ages 3-5. Contact the library ASAP if special accommodations are needed. (622-6345)

Wahiawa Public Library, 6 p.m., free. Children ages 3-5 are invited to come in costume and enjoy creepy, crawly stories with Mr. Matt. The night also includes ghostly, ghastly and ghoulishly fun crafts. Hear chicken skin tales originating from local and popular traditions. Contact the library ASAP if special accommodations are needed. (622-6345)

Aiea Public Library, 6 p.m., free. Children ages 11 and younger are invited to make a lollipop ghost, create a spider finger puppet, fold an origami bat and add color to Halloween-themed coloring sheets. At 6:30 p.m., children wearing costumes may enter a costume contest for a chance to win a prize. Contact the library ASAP if special accommodations are needed. (483-7333)

Pearlridge Center, 5-8 p.m., free. Uptown Center Court is the backdrop for free Halloween photos from 5 to 8 p.m. with 808 Flipbooks. Trick-or-treating at participating stores’ “treat stations” throughout Uptown and Downtown take place from 7 to 8 p.m. for children under 12 and dressed in costume. (488-0981, pearlridgeonline.com)

Kaneohe Public Library Children’s Section, 10:30 a.m., free. Children ages 3-5 are invited to come in costume and bring a treat back to experience spooky stories, singing, finger plays, puppetry and a simple craft, followed by trick-or-treating in the library. Contact the library ASAP if special accommodations are needed. (233-5676)

Kapolei Shopping Center, 5-7 p.m., free. Participating merchants pass out treats for the keiki, and other free or specially priced activities available throughout the center, including a pumpkin patch near Safeway (while supplies last). (inkapolei.com)

International Baptist Church (corner of Pali Hwy. and Dowsett Ave.), 5-8 p.m., free. Activities include Amazing Maze, a balloonist, fun fair games, a bounce house, hot dogs, pop corn, shave ice and a family photo booth. (595-6352, internationalchurch.us)

Town Center of Mililani, 5:30-7 p.m., free. Receive candy treats from participating stores. Hope Chapel Choir also presents games and music at the gazebo. (towncenterofmililani.com)

Hilo Hattie Nimitz Flagship Store, 3-6 p.m., free. Enjoy a fun and safe keiki Halloween with Hilo Hattie. The afternoon features trick-or-treating fun and fames. Prizes are available for the best themed costume. (535-6500)

Waikele Premium Outlets, 5-7 p.m., the first 500 children to trick-or-treat at the Information Center receive a free reflective Halloween necklace. (676-5656, premiumoutlets.com/waikele)

Windward Mall, 5:30-7:30 p.m., free Participating stores provide candy and Halloween goodies for all costumed keiki. (windwardmall.com, 235-1143)

Wai‘anae Mall, 5-7 p.m., free. Enjoy a Halloween night of keiki-friendly activities with Learning Disabilities Association of Hawaii. Children ages 0-5 are welcome to play carnival games, active place, and arts and crafts. The top three winners who sign up for a costume contest receive prizes. (facebook.com/waianaemall)

53 By the Sea, Thursdays through October, 9-11:30 p.m., free. Mango Season Trio performs. (mangoseasonmusic.com)

Park Restaurant, 7-11 p.m., free. Musical group Smooth Remedy performs. (791-5161)

Waterfront Plaza, 9 p.m.-4 a.m., $13-$25, ages 21 and older. The night features a $1,000 cash prize to the first place winner of a costume contest, The Monster Mash and Dead Band, a chance to win a trip for two to Las Vegas and more. The night’s DJs include Betty, G-Spot, Paul Brandon, K-Smooth and more. (oospot.com, groovetickets.com)

Dole Plantation, open daily Oct. 1-Oct. 31, 10 a.m.-3 p.m., $7-$13. Dole Plantation features three attractions: a haunted house featuring 13 unlucky plantation curses, a fright-filled train ride through fields of pineapple and a frightening maze that may have no escape. Fright nights at the haunted house, maze and train take place: Oct. 4-5, Oct. 11-12, Oct. 18-19, Oct. 25-26 from 7 to 11 p.m. (dole-plantation.com)

Navatek leaves Pier 6 at Aloha Tower Marketplace, 5:30-7:30 p.m., $55-$129, children under 6 are free. Have a scary kind of fun on a spooky Halloween cruise aboard the Navatek. Dress up in a favorite Halloween costume and enjoy a prime rib dinner buffet or a five-course dinner. (973-1311)

TAG – The Actor’s Group, Dole Cannery Square (650 Iwilei Rd.), Oct. 11-Nov. 3, 7:30 p.m. Thurs.-Sat., 2 p.m. Sundays, $12-$20. When Catherine falls in love with a handsome young man, her father believes that her suitor is a fortune hunter, interested only in her inheritance. (taghawaii.net. 722-6941)