Boo at the Zoo
10:30 a.m. – 3 p.m. Trailside Zoo
3006 Seven Lakes Drive
There will be activities throughout the day, including pumpkin decorating, crafts, games and face-painting. Children are welcome to come in costume.
I SPY Scavenger Hunt
11 a.m. – 3 p.m. Outdoor Discovery Center
120 Muser Drive | hhnm.org
Register to enjoy this hunt on the trails. Cost: $10 (free ages 2 and younger)
Hocus Pocus Parade
2 p.m. Main Street
Line up at the Welcome Center for a walk to the Roundhouse, where there will be drinks, treats and music waiting. The rain date is SUN 30.
28th Annual Parade
4:30 p.m. St. Mary’s Church
Line up on the church lawn in costume. Pets welcome. The parade will proceed west on Main Street to the bandstand at the riverfront.
Undead Bazaar: Carnival of Terror
6 p.m. – 1 a.m. The Yard
4 Hanna Lane
This adult event will include live music, a DJ, costume contest and an oddities exhibit, sideshow and funhouse.
7 p.m. Chapel Restoration
45 Market St.
At this screening of the 1941 film, Cold Spring resident Timothy Haskell and his production company, PsychoClan, will provide an immersive experience with organ music and appearances by a Wolfman. Also SUN 30. Cost: $20
Green With Hunger
7:30 p.m. High School
101 Matteawan Road
The Beacon Players will perform a play about the Wicked Witch of the West adapted by a local horror writer, Meghan Arcuri, from her short story of the same name. Also SUN 30. Cost: $5
An Evening of the Macabre
8 p.m. Howland Cultural Center
477 Main St. | 845-831-4988
Annalyse McCoy, Twinkle Burke, Dimitri Archip, Elizabeth Murphy, Gail Wauford, Ryan Dunn and Frits Zernike will read parts of “The Tell-Tale Heart,” “The Raven” and other tales by Edgar Allan Poe. Cost: $15 ($20 door)
Rocky Horror Picture Show
8:30 p.m. Paramount Hudson Valley
1008 Brown St. | 914-739-0039
The Apoca-Lips Cast will lead the audience engagement during this 1975 cult classic starring Susan Sarandon, Tim Curry and Meat Loaf. Cost: $12
Kids’ Dance Party
11 a.m. – Noon. Farmers’ Market
223 Main St.
8 p.m. Story Screen | 445 Main St.
The annual film festival concludes with Trick ’R Treat (2007). Cost: $10
Trunk or Treat
3:15 – 4:15 p.m. Haldane High School
15 Craigside Drive
Members of the Class of 2023 will decorate the trunks of their cars for trick or treating as a fundraiser for senior class events. Cost: $5 per child
4 – 5:30 p.m. Chestnut Ridge
Children ages 5 and younger are invited to trick or treat.