Things to do in New York City on Saturday 31 October

Club Celsius: pop-up with runs, comedy and DJ music.

ATAUD: post-punk, Latin darkwave and Dark Cumbia party.

Boss Baritone: jazz with two baritone saxophones.

Wazumbians: Ghanaian Afro fusion in the spirit of Osibisa.

Halloween Weekender with Apollonia and Mathew Jonson live.

CREATURES by Out N Bad: queer Caribbean Halloween bashment.

JC Hopkins Biggish Band: 12-piece swing with vocalists.

The Rocky Horror Picture Show, cult film with a shadow cast.

Begotten: experimental cult horror by Elias Merhige.

Legerdemain: a comedy about a waitress and a strangler.

Trick-or-treating across Industry City.

Zappos No More Lonely Runs pop-up for marathon weekend.

Birding Club: a birdwatching meetup for neighbors.

Make resin jewelry with dried flowers, for beginners.

Morning Masters: rapid chess for rated players.

OYA Encounter: South Bronx block party serving the unhoused.

Shinrin-Yoku United: guided forest bathing walk for calm.

HOKA Fly Station: running pop-up with music, food and totes.

Gardening class: choose houseplants and keep them thriving.

Guided woodland walk through Central Park's North Woods.

Open house at the Spermaceti Cove Life-Saving Station.

Trick-or-treating for costumed kids at the museum.

Guided meditation among Noguchi's art before opening.

Learn shojin ryori temple cooking with chef Masami Asao.

Trick or Streets: Halloween fun on car-free streets.

Town Square BK's Halloween Parade for costumed kids.

Touching the Earth: meditative day hike in the woods.

Harlem Qi Fit Tai Chi / Qigong: open-air sessions.

Family nature discovery at Brooklyn Botanic Garden.

Monster Costume Quest: find four hidden monsters.

Ranger's Choice: spooky Halloween walk at Jamaica Bay.

All Men’s Free Health Fair: free check-ups for men.

John Wilson makes a documentary about concrete.

Fjord, Cristian Mungiu's film with Sebastian Stan.

Fall Splendor Tour: walk among autumn foliage.

Conservatory Garden Tour: behind the scenes in Central Park.

Halloween Movie Marathon: spooky films at Chelsea Market.

Trick-or-Treating at Chelsea Market: family candy trail.

On The Road, David Pablos's film of two truckers' intimacy.

Free Wikipedia edit-a-thon on Japanese women photographers.