December 21

Castle Medical Center, 5:30-7:30 p.m., $25/two people. Pre-registration required. (263-5400, castlemed.org)

Anna O’Brien’s, 8:30 p.m., $7-$5, age 21 and up only. Think Fast Improv performs, followed by Open Mic Comedy. (facebook.com/comedyu)

Unity Windward Church, 46-005 Kawa St. #303, 8 p.m., free. (262-6731, unity@windwardunity.com)

Unity Windward Church, 46-005 Kawa St. #303, 6:30 p.m., free. (262-6731, unity@windwardunity.com)

Mililani Market Place, 3-7 p.m., free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Waikele Premium Outlets, 94-790 Lumiaina St., Dec. 19-23, 10 a.m.-9 p.m.; Dec. 24, 10 a.m.-6 p.m., donations welcome. Mililani High School Students and Parents Against Drugs and Alcohol wraps gifts for free. (676-5656)

Maryknoll Community Center, 1526 Alexander St., Dec. 19-21 and 29, check website for schedule, $6-$4. Watch a preseason basketball tournament featuring Maryknoll, Kamehameha-Kapalama, Leilehua and Pearl City, plus four North American teams. (maryknollathletics.com)

Pearlridge Center, Uptown Center Court, Nov. 25-Jan. 8, check website for hours, $3.50/ride. Hawaii’s only scale-model, fully functioning train returns for keiki below 48 inches tall. (pearlridgeonline.com)

Ala Moana Center, Ewa Wing, 9:30 a.m.-9 p.m. Dec. 16-23, 9 a.m.-6 p.m. Dec. 24, check website for cost. Take photos with Santa for the holidays. (alamoanacenter.com)

Kahala Mall, Dec. 9-23, 9 a.m.-9 p.m., $20. Take photos with Santa Pat, who has been delighting families at the mall for 30 years. (kahalamallcenter.com)

Pearlridge Center, Downtown Center Court, Nov. 25-Dec. 24, check website for times, $25. Santa listens to keiki wish lists and takes photos. (pearlridgeonline.com)

Ward Entertainment Center, Box Office level, Nov. 19-Dec. 24, check website for hours, $23/package. Take photos with Santa as he relaxes at his beach house. (wardvillage.com)

Ward Village Courtyard, Nov. 25-Jan. 16, check website for hours, $16/person. An open-air ice rink returns for the holiday season at Ward Village. (wardvillage.com/icerink)

Departs from Pier 6 at Aloha Tower Marketplace, Dec. 16-April 2, meet at 11 a.m. for 11:30 a.m.-2 p.m. cruise, $87-$50.50. Sail on the 150-foot Majestic and look for humpback whales returning to Hawaii’s springtime waters. (973-1311)

RSVP for meeting place in Capitol District, Nov. 24-Dec. 31, 1-5 p.m., $40. Journey through 52 sites related to the War Years in downtown Honolulu and Chinatown. Pre-registration required. (395-0674, filmguy54@hotmail.com)

Ward Village, Dec. 4-30, check website for hours, $7.75. Take a ride through the city’s most anticipated light show. Proceeds benefit Hawaii Foodbank. (wardvillage.com/trolley)

Various locations in Downtown-Chinatown area, Dec. 1-31, business hours, free. Thirty-seven Downtown-Chinatown businesses will participate in a special holiday decorating initiative. (hcademail1@gmail.com, 779-7235)

Call for location in Honolulu, Kaimuki, Mililani or Waipahu by Feb. 28, dates and times, $50/month. Hawaii Youth Chorus is enrolling new singers for its spring season. (623-2411, hawaiiyouthchorus@yahoo.com)

Ala Moana Centerstage, 7 p.m., free. (alamoanacenter.com)

HawaiI Prince Hotel Waikiki, Mauna Kea Ballroom, 7:45-9:45 p.m., $70-$85. Na Leo performs a special holiday concert, with special guests Jerry Santos, Kaumakaiwa Kanakaole and Kaiulani Carr. (956-1111, princeresortshawaii.com)

Blue Note Hawaii, 6:30 and 9 p.m., $35-$15. (bluenotehawaii.com)

Gallery on the Pali at First Unitarian Church, 2500 Pali Hwy., Dec. 4-Jan. 5, 10 a.m.-6 p.m. Tuesdays-Fridays, 2-6 p.m. weekends, free. Windward Artist Guild’s board of directors exhibits their work. Reception is Dec. 9 at 6 p.m. (unitariansofhi.org/exhibits, 595-4047)

UH-Manoa’s East-West Center Gallery, Sept. 25-Jan. 8, 8 a.m.-5 p.m. weekdays, noon-4 p.m. Sundays, free. Examine the ties between Okinawa and Hawaii with collections of textiles, lacquerware, ceramics, carvings, glass and more. (arts.eastwestcenter.org, 944-7177)

Waikiki Parc Hotel Promenade, Nov. 17-Feb. 3, business hours, free. David Harada displays his sculptures at the hotel. (956-8364)

Bishop Museum, Oct. 8-Jan. 8, 9 a.m.-5 p.m., $10.95-$22.95. Learn more about space, plants, animals and rainforests with Dora and Diego of the hit Nickelodeon shows. (bishopmuseum.org)

Louis Pohl Gallery, Nov. 1-Dec. 24, 11 a.m.-5 p.m. Tuesday-Friday, 11 a.m.-3 p.m. Saturday, free. (521-1812)

Bishop Museum, Dec. 1-March 1, 9 a.m.-5 p.m., $12.95-$22.95. In honor of the 75th anniversary of the attack on Pearl Harbor, the museum highlights the stories of the citizens and civilians who endured that fateful day in Hawaii. (bishopmuseum.org)

Bishop Museum, Aug. 13-Feb. 26, 9 a.m.-5 p.m., $22.95-$12.95. Explore the Northwestern Hawaiian Islands, their biodiversity and cultural significance. (bishopmuseum.org)

Aina Haina Public Library, 2 p.m., free. Author Sonia Patel discusses her book, “Rani Patel in Full Effect.” (377-2456)

Ala Moana Centerstage, 5 p.m., free. (alamoanacenter.com)

Honolulu Country Club Gallery, 1690 Ala Puumalu St., Nov. 27-Jan. 14, business hours, free. Reception is Dec. 4 at 5 p.m. (bit.ly/2fCVXG1)

Makiki Community Library, 6-7 p.m., free. Author Susan McIntire discusses “Creating Successful Writing Habits for the New Year.” (sisters-in-crimehawaii.blogspot.com)

Waianae Public Library, 3:30 p.m. keiki, 6 p.m. adults, free. Keiki read “The Terrible Two” by Mac Barnett, and adults read “Go Set a Watchman” by Harper Lee. (697-7868)