Journey back to the 1980s with the Peabody Museum’s annual 18+ Haunted Hall and Costume Ball. Get lost in the horror of a haunted house, dance the night away at the wicked prom, enjoy blood-curdling beverages (21+ only), and dress in your 1980s horror best to win prizes in the costume contest. Tickets: $12-$30; includes two drink tickets (21+ only) and light snacks. Yale Peabody Museum of Natural History, 170 Whitney Ave. 7-10 p.m.
Listen as Eve Ensler delivers the keynote address at the Women’s Mental Health Conference, the first academic and trainee-led conference dedicated to women’s mental health in the nation. Ensler, a Tony Award-winning playwright, is the author of “The Vagina Monologues,” as well as a performer and an activist. Free. Mary S. Harkness Memorial Auditorium, 333 Cedar St. 10:15-11:30 a.m.
Attend a performance of the Yale Philharmonia, guest conducted by Ludovic Morlot, that will feature Prokofiev’s Fifth Symphony, Debussy’s “Prelude to the Afternoon of a Faun,” and Szymanowski’s Violin Concerto No. 1, featuring Woolsey Hall Concerto Competition winner Jung Eun Kang. Tickets: $3-$12. Woolsey Hall, 500 College St. 7:30 p.m.
Experience a new play by Anne Washburn that depicts the aftermath of a catastrophic nuclear event, when a ragtag band of survivors forges a sense of community by recounting episodes of “The Simpsons” and other bits of pop culture. Generations later, their memories have transformed into an epic myth for a new post-apocalyptic society. Tickets: $15-$25. Frederick Iseman Theater, 1156 Chapel St. 8-10:30 p.m.
Enjoy an all-Brahms vocal and piano four-hands program performed by the Yale Choral Artists. The performance will include the Liebeslieder Waltzes, Op. 52, and “Nänie,” Op. 82, with faculty pianists Robert Blocker and Melvin Chen. Free. Morse Recital Hall, 470 College St. 7:30-8:30 p.m.
Explore the magic of the natural world during this special family Halloween event, featuring fun science demonstrations, live animals, and an environmentally themed magic show. Wear your costume and join a Peabody Parade in the Great Hall, and be mystified by Cyril the Sorcerer. $13.50-$15. Yale Peabody Museum of Natural History, 170 Whitney Ave. 5:30-10 p.m.
View productions by eight of Britain’s leading film and video artists in the first exhibition at the Yale Center for British Art dedicated exclusively to the moving image. Rosalind Nashashibi’s “Electical Gaza” and Charlotte Prodger’s “SaF05” will be screened Sunday. The exhibition will continue through Dec. 29. Free. 1080 Chapel St. 2-4 p.m.
Listen to the Yale Camerata, conducted by Marguerite L. Brooks, perform works by Hogan, Olson, O’Regan, Banks, Van, and Miller. Free. Battell Chapel, 400 College St. 4 p.m.
Take an interactive tour, led by educators and student guides, of the Yale University Art Gallery’s history, architecture, and encyclopedic collection. Tours focus on a handful of objects chosen to showcase both the permanent collection and special exhibitions currently on view. No two tours are the same. Free. 1111 Chapel St. 1:30 p.m. & 2:30 p.m.
