BP Weekender: Six things to do in Brooklyn Oct. 21-23

Gowanus Dredgers Canoe Club

Friday, Oct. 21

Nightfall: After a two-year pause, “Nightfall: Eternal Returns” is back at Green-Wood Cemetery! The “crowning event” of Green-Wood’s fall programming, Nightfall features live music and entertainment and refreshments provided by the Afro Latin Jazz Alliance, Morbid Anatomy, the Kings County Brewers Collective, and more.

$70-$75. 7-10 p.m. at Green-Wood Cemetery, Fifth Avenue and 25th Street in Greenwood Heights.

Saturday, Oct. 22

Free canoe rides: Join the Gowanus Dredgers Canoe Club, in partnership with Open House New York, for a free, self-guided canoe trip on the Gowanus Canal. A Dredgers member will give a brief overview of the history of the area and give tips on what to check out and what to avoid before you shove off for your 30-minute trip.

Free. 1-6 p.m. at Gowanus Dredgers’ 19th Street Launch, 2 19th St. between the Gowanus Canal and Third Avenue in Gowanus.

Learn about mural design: Learn all about mural culture and the basics of designing murals as public art with Gisselle Colon, an artist and illustrator constantly drawing inspiration from her neighborhood as she experiments with bold colors and patterns.

Free. 10 a.m. at Herbert Von King Cultura Arts Center, 670 Lafayette Ave. between Tompkins and Marcy avenues in Bedford-Stuyvesant.

Rocky Horror watch party: It’s almost Halloween, and it’s the perfect time to take in a screening of the cult classic Rocky Horror Picture Show, complete with a live act-along and all the usual audience participation. Sip on a special drink provided by Burger Joint and get some good food from the Industry City Food Hall.

Free. 7 p.m. at Courtard 1/2 at Industry City, 238 36th St. between 2nd and 3rd avenues in Sunset Park.

Harvest fest: Brooklyn Bridge Park Conservancy’s having its annual Harvest Festival which will launch with a kick-off procession and is back with arts and crafts, lawn games, storytelling and their signature pumpkin patch.

Free. 11 a.m. to 4 p.m at Pier 6 at Brooklyn Bridge Park, 334 Furman St. at the intersection of Atlantic Avenue in Brooklyn Heights.

Sunday, Oct. 23

Put your garden to bed: It’s getting colder, your fruits and veggies are slowing down their production, and it’s time to get the garden ready for the winter. Brooklyn Botanic Garden instructors will walk you through the best practices for keeping your garden healthy and safe for the next growing season!

$41-$45. 2 p.m. at Brooklyn Botanic Garden, 990 Washington Ave. between Eastern Parkway and President Street in Crown Heights.