Urban Meadow Community Garden's Halloween Party & Parade on Saturday, October 31, from 11:30 AM to 1:30 PM at Mother Cabrini Park and Playground in the Columbia Street Waterfront District. It's one of three Halloween parades in Brooklyn Community Board 6 on Saturday, all on the map at bkcb6.app/spookycb6. Events can be delayed or cancelled, including for weather.