#1
Prospect Park, BrooklynKing of Hearts · CC BY-SA 4.0 · Wikimedia CommonsRuns through Oct 30, 2026Free
October Weekday Nature Exploration
A free outdoor morning exploring nature in Prospect Park, starting at 10am.
FreeLimited Run
Free Things to Do in Brooklyn in New York on Sunday, Oct 4
Hand-picked every week — checked against organizers’ own pages.
Stumblday's hand-checked ranking of the best free things to do in brooklyn in New York City on Sunday, Oct 4: 13 picks, refreshed weekly.
13 picks · checked Sep 28
13 picks
The 10 picks
Prospect Park, BrooklynKing of Hearts · CC BY-SA 4.0 · Wikimedia Commons#1Runs through Oct 30, 2026 · Limited Run
Prospect Park, BrooklynKing of Hearts · CC BY-SA 4.0 · Wikimedia CommonsOctober Weekday Nature Exploration
A free outdoor morning exploring nature in Prospect Park, starting at 10am.
Add to calendar#2
Industry City, Sunset Park, BrooklynSaturdays through Oct 17Free
Industry City Gourmet Food and Drinks Tour
Industry City Gourmet Food and Drinks Tour at Industry City.
FreePopupIndustry City
#2Saturdays through Oct 17 · Limited Run
Industry City, Sunset Park, BrooklynIndustry City Gourmet Food and Drinks Tour
Industry City Gourmet Food and Drinks Tour at Industry City.
Add to calendar#3
Grand Army Plaza, Prospect Heights, BrooklynSaturdays through Oct 10Free to browse
Greenmarket at Grand Army Plaza
Brooklyn's flagship greenmarket since 1989 sets up at Prospect Park's front door with fall farm produce, local goods and wine tastings.
FreeFarmers marketFall produce
#3Saturdays through Oct 10 · Limited Run
Grand Army Plaza, Prospect Heights, BrooklynGreenmarket at Grand Army Plaza
Brooklyn's flagship greenmarket since 1989 sets up at Prospect Park's front door with fall farm produce, local goods and wine tastings.
Add to calendar#4
Bartel-Pritchard Square, Prospect Park, Park Slope, BrooklynBeyond My Ken · CC BY-SA 4.0 · Wikimedia CommonsSunday · Oct 4, 2026, 9am–2pmFree to browse
Sunday Greenmarket at Bartel-Pritchard Square
South Slope's shady corner market at Prospect Park's 15th Street entrance, with fall produce, fresh-caught fish, flowers and baked goods.
FreeFarmers marketPark Slope
#4Sunday · Oct 4, 2026, 9am–2pm · One Day Only
Bartel-Pritchard Square, Prospect Park, Park Slope, BrooklynBeyond My Ken · CC BY-SA 4.0 · Wikimedia CommonsSunday Greenmarket at Bartel-Pritchard Square
South Slope's shady corner market at Prospect Park's 15th Street entrance, with fall produce, fresh-caught fish, flowers and baked goods.
Add to calendar#5
Prospect Park, BrooklynSun, Oct 4, 2026 · 8:00amFree
Birdwatching: First Sunday Outings
Spot birds on a free 8am outing through Brooklyn's Prospect Park.
FreeOne Day Only
#5Sun, Oct 4, 2026 · 8:00am · One Day Only
Prospect Park, BrooklynBirdwatching: First Sunday Outings
Spot birds on a free 8am outing through Brooklyn's Prospect Park.
Add to calendar#6
Lefferts Historic House, Prospect Park, BrooklynOn view through November 15, 2026Free
Exhibit: The Shirley Chisholm Way: Brooklyn’s Blueprint for Change
A free Prospect Park exhibit honors Shirley Chisholm through seven life lessons, Al Johnson portraits and rare campaign memorabilia.
FreeArtHistory
#6On view through November 15, 2026 · Limited Run
Lefferts Historic House, Prospect Park, BrooklynExhibit: The Shirley Chisholm Way: Brooklyn’s Blueprint for Change
A free Prospect Park exhibit honors Shirley Chisholm through seven life lessons, Al Johnson portraits and rare campaign memorabilia.
Add to calendar#7
Pioneer Works, 159 Pioneer Street, Red Hook, BrooklynOn view weekends through late fallFree
Fall Exhibitions at Pioneer Works
Pioneer Works' fall shows pair LaJuné McMillian's bioluminescent ocean-research installation with Finnegan Shannon's artwork-delivering conveyor belt.
FreeArtRed Hook
#7On view weekends through late fall · Limited Run
Pioneer Works, 159 Pioneer Street, Red Hook, BrooklynFall Exhibitions at Pioneer Works
Pioneer Works' fall shows pair LaJuné McMillian's bioluminescent ocean-research installation with Finnegan Shannon's artwork-delivering conveyor belt.
Add to calendar#8
Green-Wood Cemetery, Greenwood Heights, BrooklynThrough Oct 4Free
Grave Beginnings: Walking Green-Wood
Walk Green-Wood's hills to the graves of Samuel Morse and Eunice Newton Foote, who spotted greenhouse gases, on a free 90-minute tour.
FreeWalking tourHistory
#8Through Oct 4 · Limited Run
Green-Wood Cemetery, Greenwood Heights, BrooklynGrave Beginnings: Walking Green-Wood
Walk Green-Wood's hills to the graves of Samuel Morse and Eunice Newton Foote, who spotted greenhouse gases, on a free 90-minute tour.
Add to calendar#9
Green-Wood Cemetery, Greenwood Heights, BrooklynSundays through Dec 13Free
Grave Beginnings: Green-Wood by Trolley
Ride a trolley past the graves of William Colgate and John Draper on Green-Wood's free hour-long intro tour of the Brooklyn landmark.
FreeTrolley tour
#9Sundays through Dec 13 · Limited Run
Green-Wood Cemetery, Greenwood Heights, BrooklynGrave Beginnings: Green-Wood by Trolley
Ride a trolley past the graves of William Colgate and John Draper on Green-Wood's free hour-long intro tour of the Brooklyn landmark.
Add to calendar#10
Bargemusic, DUMBO, BrooklynJoe Mabel (on Flickr as Joe Mabel from Seattle, US) · CC BY-SA 3.0 · Wikimedia CommonsSunday · Oct 4, 2026, 2pmFree admission
Bargemusic: Complete Beethoven Piano Sonatas with Conversation, Part 6
Pianist Jeffrey Swann plays and talks through the Appassionata and four more Beethoven sonatas on a floating barge under the Brooklyn Bridge, free.
FreeClassicalDUMBO
#10Sunday · Oct 4, 2026, 2pm · One Day Only
Bargemusic, DUMBO, BrooklynJoe Mabel (on Flickr as Joe Mabel from Seattle, US) · CC BY-SA 3.0 · Wikimedia CommonsBargemusic: Complete Beethoven Piano Sonatas with Conversation, Part 6
Pianist Jeffrey Swann plays and talks through the Appassionata and four more Beethoven sonatas on a floating barge under the Brooklyn Bridge, free.
Add to calendarMore this weekend
#11
Carmine Carro Community Center, Marine Park, BrooklynTdorante10 · CC BY-SA 4.0 · Wikimedia CommonsSunday, Oct 4, 2026, 11am–12pmFree
Ricitos and the Three Bears at Marine Park
Goldilocks becomes Ricitos and porridge becomes sancocho in Teatro SEA's bilingual musical — a free hour of kids' theater in Marine Park.
FreeBilingualKids theater
#11Sunday, Oct 4, 2026, 11am–12pm · One Day Only
Carmine Carro Community Center, Marine Park, BrooklynTdorante10 · CC BY-SA 4.0 · Wikimedia CommonsRicitos and the Three Bears at Marine Park
Goldilocks becomes Ricitos and porridge becomes sancocho in Teatro SEA's bilingual musical — a free hour of kids' theater in Marine Park.
Add to calendar#12
Fort Greene Park Visitor Center (start), Fort Greene / Brooklyn Heights, BrooklynBeyond My Ken · CC BY-SA 4.0 · Wikimedia CommonsSunday · Oct 4, 2026, 11am–1pmFree
Historic New York: Downtown Brooklyn History Super Hike
Urban Park Rangers lead a two-hour history hike from Fort Greene to Brooklyn Heights, from Lenape sites to Revolutionary War ground.
FreeWalking tourHistory
#12Sunday · Oct 4, 2026, 11am–1pm · One Day Only
Fort Greene Park Visitor Center (start), Fort Greene / Brooklyn Heights, BrooklynBeyond My Ken · CC BY-SA 4.0 · Wikimedia CommonsHistoric New York: Downtown Brooklyn History Super Hike
Urban Park Rangers lead a two-hour history hike from Fort Greene to Brooklyn Heights, from Lenape sites to Revolutionary War ground.
Add to calendar#13
Prospect Park Audubon Center and Boathouse lawn, Prospect Park, BrooklynSat Oct 3 and Sun Oct 4, 2026: the closing weekend of free fall classes around the Prospect Park BoathouseFree
University Open Air
Immigrant professors trained abroad teach free open-air classes on the lawn by Prospect Park's Boathouse — pick a subject and sit in.
FreeFree classesOutdoors
#13Sat Oct 3 and Sun Oct 4, 2026: the closing weekend of free fall classes around the Prospect Park Boathouse · One Weekend Only
Prospect Park Audubon Center and Boathouse lawn, Prospect Park, BrooklynUniversity Open Air
Immigrant professors trained abroad teach free open-air classes on the lawn by Prospect Park's Boathouse — pick a subject and sit in.
Add to calendar
