All day Vote for Your Favorite Scarecrow! Ages: 3 and upFree Halloween Stony Brook Village CenterStony Brook
10 am – 10 pm FLASHBACK 5: Celebrating Five Years of ARTECHOUSE NYC Ages: AllArt Attractions ARTECHOUSE NYCChelsea
5 – 11 pm Jimmy Fallon’s Tonightmares Ages: 13 and upAttractions Halloween Rockefeller Center Rink LevelManhattan
7 – 8 pm NASA’s Cold Atom Lab on the ISS (A Free, Virtual Lecture) Ages: 13 and upFree LGBTQ+ Hamptons Observatory (online)East Hampton