Koch + Conversation This 2012 documentary Koch chronicles the tumult of the mayor’s three terms in office, from 1978 to 1989. It will be followed by a conversation between director Neil Barksy and journalist Tom Robbins (Village Voice, Daily News), on the experience of reporting in the Koch era as well as the late mayor’s complex legacy. Oct, 12, 6-8p.m. at Alamo Drafthouse, 28 Liberty St. Tickets, $5, includes popcorn and a beverage. Register here.

Halloween Spooktacular Tribeca Performing Arts Center's  Family Series Events opens with Cirque-Tacular's Spooktacular on Sun., Oct. 23, at 3 p.m. Vampires, skeletons, spooks and acrobatic cats are some of the soaring oddities in this humorous high-flying circus of scare. For all ages. At BMCC, 199 Chambers St. Tickets and information here.  Family 10Club Memberships available here.

Invisible Victims It is estimated that 67 undocumented immigrants died on 9/11, most workers at Windows on the World restaurant. Dr. Sekou Siby shares his 9/11 experience as one of these workers, and is joined by Alexandra Délano, Associate Professor of Global Studies at the New School, and Benjamin Nienass, Associate Professor of Political Science and Law at Montclair State University, to discuss the complex legal processes of proving their existence and ensuring they're not forgotten. Thurs., Oct. 20, 6pm at The 9/11 Memorial & Museum.

​​Vinyasa on a Vessel Free Vinyasa-based yoga courses on the deck of the 1885 tall ship Wavertree will be held on Sun., Oct. 16, at 8am and 9am at Pier 16. The 60-minute sessions will be followed by a tour of the historic vessel for interested participants. Space is limited to 15 participants; reservations are required. All levels are welcome. Sponsored by South Street Seaport Museum. To reserve a spot, visit seaportmuseum.org/vinyasa.

At apexart According to a report in The Guardian, nearly 7,000 migrant workers have died in preparation for the FIFA World Cup in Qatar. Workers must endure unconscionably long shifts, scorching heat and inhuman living conditions. "Kafala: Migrant Labor in the Arabian Peninsula," at apexart, 291 Church St., through Oct. 22, surveys the art and creative activism that brings attention to this exploitative system. Above: Human Trafficking Maze by Hannah Barczyk, 2020

"Funny Women of a Certain Age" features stand-up comedian Carole Montgomery joined by fellow comedians Linette Palladino, Jessica Miranda, and Nancy Parker. on Saturday, Oct, 29 at 8pm. At BMCC Tribeca Performing Arts Center. Tickets here.