What to make of “Cold Case Hammarskjold,” Mads Brugger’s idiosyncratic odyssey into the vile heart of African colonialism and the conspiracy theories surrounding it to this day?

“Art as Ecosystem 1,” the first of two talks at Guild Hall moderated by the artist Eric Fischl, will bring together art world luminaries to take the measure of the discipline’s health and vitality. The venue will also present a doo-wop concert, and the American Modern Opera Company.

Amagansett’s Upstairs Art Fair, a small but well attended fair attracting innovative dealers from the East End and New York City, will return for its third iteration this weekend at its home on the top floor at the old Amagansett Applied Arts building at 11 Indian Wells Road.

A whale that was entangled in fishing net in the waters off Town Line Beach in Sagaponack has freed itself, Southampton Town police said Monday evening. 

David M. Alpern, a reporter and senior editor at Newsweek magazine for 40 years, will play excerpts from his long tenure as a "Newsweek on Air" radio interviewer on Thursday at 5:30 p.m. at the Rogers Memorial Library in Southampton.

It's never too early to think of autumn and all of the things that come with the falling leaves, ebbing crowds, and cooling temperatures. One such highlight is the Hamptons International Film Festival, which has announced its honorees and poster artist for the 2019 festival, which will take place over Columbus Day weekend.

Mr. Grimes will be honored Sunday evening as the Fishing Legend of the Year at the 19th annual Montauk Mercury Grand Slam fishing tournament in recognition of his many decades of involvement and volunteerism in the community.

Kwame Yirenkyi, left, completed the BOCES audio recording program, then celebrated his graduation from Bridgehampton High School with his father, Kwadwo Yirenkyi, last month.