Downtown Snohomish Trick-or-Treat: 3 to 5 p.m. Oct. 31 in downtown Snohomish; kids can trick-or-treat at participating businesses; www.historicdowntownsnohomish.org.
Edmonds Trick-or-Treat Night: 5 to 7 p.m. Oct. 31 in downtown Edmonds; family trick-or-treating with costume contest; catergories for pets, kids and adults; www.edmonds.wa.
First Street Haunted House: 3 to 6 p.m. Oct. 31 at The Marks Building, 1024 First St., Snohomish; admission is $1 or food donation; www.historicdowntownsnohomish.org.
Frozen Fright Night at Comcast Community Ice Rink: 6 to 9 p.m. Oct. 31 at 2000 Hewitt Ave., Everett; skate with black lights and Halloween music with DJ; costumes encouraged; tickets $10 for ages 6 and older; #3.50 for ages 5 and younger; discounts for canned food donations; www.comcastarenaeverett.com.
Ghosts of Snohomish Tour: 2 and 4 p.m. Saturday, Oct. 26, in downtown Snohomish; tour meets at 1020 First St., focused on locations with ghost sightings; $10 per person; 206-920-2898.
Halloween with the Lights On: 1 pa.m. to 5 p.m. Oct. 31, Imagine Children’s Museum, 1502 Wall St., Everett; costumes encouraged; live performances of “The 13 Nights of Halloween” story for all ages; play with cauldron of bubbles, ooey gooey potion, disappearing ghost poop and more; activities included with admission of $9.50 for all those over age 1; 425-258-1006; www.imaginecm.org.
Halloween Planetarium shows: 3:30 p.m. weekends through Oct. 27and two special shows at 1:30 and 3:30, Oct. 31 at the Pacific Science Center, 200 Second Ave. N., Seattle; see website for ticket details; 206-443-2001; www.pacsci.org.
Harvest Festival and Truck-or-Treat: 5 to 7 p.m. Oct. 26 at Trinity Lutheran Church, 2324 Lombard Ave., Everett; free harvest celebration; email@example.com.
Haunted BOOathouse and Harvest Festival: noon to 8 p.m. Oct. 26 at 1880 SW Camano Drive; harvest festival from noon to 4 p.m. featuring pumpkin decorating, race cars made from vegetables, crafts, treats and more; haunted BOOathouse is from 4 to 8 p.m.; free, but donations accepted; www.cwb.org/cwb-cama-beach/cama-events.
Haunted Farm at Forest Park: 6:30 to 9:30 p.m. Oct. 25 to 27 at Forest Park, 802 E. Mukilteo Blvd., Everett; 425-257-8300 ext. 2. Follow a maze of frights with ghouls and goblins; ages 8 and older; cost is $8 per person at door, cash only.
KZOK Haunted Nightmare Haunted House at Nile Golf Course: Full scare 7 to 11 p.m. Fridays and Saturdays, family scare 6 to 9 p.m. Sundays, through Oct. 27 and Nov. 1 at 6601 244th St. SW, Mountlake Terrace; tickets $10 to $17 at kzokhauntednightmare.eventbrite.com; www.nilehauntedhouse.com.
Lake Stevens Family Safe Halloween: 5 to 8:30 p.m. Oct. 31 at North Cove Park and downtown Lake Stevens; costume walk from Lake Stevens Boys and Girls Club to Community Center starting at 5 p.m. and laser tag in North Cove Park; www.lakestevenswa.gov.
Monster making workshop: 10:30 a.m. to noon Oct. 26 at 15720 Main St., Mill Creek; Kids can make spooky creations to take home, listen to Halloween songs and have a snack; dress for mess; $20 to $23; 425-921-5779; firstname.lastname@example.org; [URL]www.cityofmillcreek.com;http://www.cityofmillcreek.com.
Mountlake Terrace Costume Carnival: 5 to 9 p.m. Oct. 26 at Terrace Park School Gym, 5409 228th Street S.W.; harvest festival activities, a costume contest, snacks, games, crafts, dancing and dance performances; 360-640-3107 or email@example.com.
Pumpkin Bash: 9:30 a.m. to 2:30 p.m. weekends, Oct. 26 and 27, Woodland Park Zoo, west entrance at Phinney Avenue between N. 55th and N. 56th streets, Seattle; kids may trick-or-treat and also watch animals receive treats; event is included with admission of $12.75, $8.75 ages 3 to 12, free for ages 2 and younger; Pumpkin Dash Fun Run is set for 8 a.m. on Oct. 27; 5K Fun Run/Walk is $30 and includes post-race zoo pass and t-shirt; 1K Kids Dash is free. 206-548-2500; www.zoo.org.
Stanwood Haunted House: 6 to 9 p.m. Oct. 25 and 26 at Stanwood Senior Center, 7430 276th St. NW; $5 at door; 360-629-7403; www.stanwoodseniorcenter.org.
Stumble Grumble 5K Costume and Zombie Walk: 9 a.m. to noon Oct 26 at Henry M. Jackson Park, 1700 State St., Everett. For details, email firstname.lastname@example.org or visit www.facebook.com/stumblegrumble.
Tales of Terror Told in the Dark: 6 p.m. Oct. 25 at Uppercase Bookstore, 1118 First St., Snohomish; might be too scary for young kids; www.uppercasebookshop.com.
Treats on Main Street: 4:30 to 6:30 p.m. Oct. 31, Mill Creek Town Center, Bothell-Everett Highway and 153rd Street SE; free; www.millcreektowncenter.biz.
Trick-or-Treat at Everett Mall: 5 to 7 p.m. Oct. 31, all Everett Mall entrances, 1402 SE Everett Mall Way; for ages 12 and younger; family trick-or-treating with KMPS; 425-355-1771; www.shopeverettmall.com.