Celebrate the season with trick-or-treating, mermaid and pirate dive shows and a carnival-style games from 6:30 to 9 p.m. Saturday-Wednesday at the Oklahoma Aquarium, 300 Aquarium Drive. Information: (918) 296-3474 or www.okaquarium.org.
Museum of Osteology's Halloween Bash
Look at the bones, do a little trick-or-treating and get discounted admission from 6 to 9 p.m. Wednesday at the skeleton museum, 10301 S Sunnylane. Information: 814-0006 or www.museumofosteology.org.
Arcadia Lake's Storybook Forest, Edmond
Take the family on a hayride, roast marshmallows and collect goodies from storybook characters from 5:30 to 8:30 nightly through Wednesday at Spring Creek Park. Information: 216-7471 or www.edmondok.com.
Trick-Orr-Treating and Costume Contest
Take in a giant corn maze, pumpkin patch and hayrides, along with trick-or-treating, from 10 a.m. to 9 p.m. Saturday at the Orr Family Farm, 14400 S Western. Information: 799-3276 or www.orrfamilyfarm.com.
Martin Park Nature Center's Haunted Hike
Take a guided 30-minute walk in the woods among spiders, bats, and snakes and other creepy creatures starting at 5:30 p.m. Nov. 2 at the park, 5000 W Memorial. Preregistration is required. Information: www.okc.gov/parks/martin_park.
Haunt the River Cruises
Leave the safe harbor of Regatta Park at 8 p.m. Friday and Saturday for a fun and frightening voyage on the Oklahoma River. The Halloween-theme cruises are intended for adults. Reservations are required. Information: 702-7755 or www.okrivercruises.com.
‘The Cat and the Canary,' Norman
Hear organist Clark Wilson add the soundtrack to the seasonal silent film “The Cat and the Canary' at 8 p.m. Friday at the University of Oklahoma's Sharp Concert Hall, Catlett Music Center, 500 W Boyd. Information: 325-4101 or www.ou.edu/finearts/events.
Bricktown Haunted Warehouse
Brave this longtime local favorite, which opens at 7 nightly through Halloween in the Coca-Cola Bricktown Events Center, 425 E California, which fittingly is the former home of the Oklahoma Casket Co. Information: www.bricktownokc.com.
Ultimate Terrors Haunted House
Experience the terror beginning at 7 nightly through Halloween at 7000 Crossroads Blvd., Suite 3000, at Crossroads Mall. Total lights off candlelight tours are planned for 7 to 11 p.m. Nov. 2-3. Information: www.ultimateterrors.com.
‘Evil Dead: The Musical,' Drumright
See the horrifically humorous stage show based on Sam Raimi's cult classic film franchise at 7:30 p.m. and 10:15 p.m. Friday and Saturday and 7:30 p.m. Wednesday at Scream Country Haunted Forest, 15853 W 101 St. S. Information: (918) 409-0274 or www.evildeadok.com.
Scream Country Haunted Forest, Drumright
Get the creeps at the long-running attraction's new theme, “Halloween Haunt,” from 7:30 to 11 p.m. Friday and Saturday and 7:30 to 10:30 p.m. Sunday and Wednesday. Information: (918) 607-3327 or online at www.screamcountry.com.
Frontier City's FrightFest
Check out the Freakshow Deluxe and other eerie attractions during the theme park's seasonal celebration from 6 to 11 p.m. Friday, noon to 11 p.m. Saturday and noon to 10 p.m. Sunday at Frontier City, 11501 N Interstate 35 Service Road. As part of the Fright Fest Food Drive, bring two nonperishable food items and get discounted entry into the park. Information: 478-2140 or www.frontiercity.com.
Trail of Terror, El Reno
Get spooked along the trail or in the Haunted Barn from dusk to 10:30 p.m. Friday, Saturday and Wednesday at 2701 W 10. Information: www.trailofterror.org.
Haunted Castle Halloween Festival, Muskogee
Find thrills for the entire family from 6 to 10 p.m. Friday and Saturday at the Castle of Muskogee, 3400 Fern Mountain Road. Information: (800) 439-0658 or go to www.okcastle.com.
The Hex House, Tulsa
Explore an extreme haunted attraction based on a real event in Tulsa's past from 7:30 to 11 nightly through Wednesday at the southeast corner of 71st and Memorial. Information: www.thehexhouse.com.
Terror on 10th Street Haunted House
Be terrorized from 7 to 11 nightly through Wednesday during a tour telling the ghostly history of the house at 2005 NW 10. Information: 232-1816.
‘Halloween IV: Voice Faculty,' Edmond
Listen to University of Central Oklahoma School of Music faculty perform songs and opera arias both solo and in ensembles — and in costume — at 7:30 p.m. Tuesday at the UCO Jazz Lab, 100 E Fifth. Information: 974-5004 or www.ucojazzlab.com.
Gazette's Halloween Parade
March with zombies, monsters and other creepy creatures in the sixth annual parade, formerly known as Ghouls Gone Wild, starting at 7 p.m. Saturday in Downtown and Midtown. Information: http://okgazetteparade.com.