Dunkirk extended till Aug. 27.

IMAX Theater at the Maritime Aquarium, 10 North Water St., Norwalk; daytime films, info., 203-852-0700 or maritimeaquarium.org: Dunkirk, extended through Aug. 27, 7 p.m. Mon.-Thurs., and 7 & 9:30 p.m. Fri., Sat. and Sun. Jean-Michael Cousteau’s Secret Ocean at noon and 3 p.m., Dream Big at 2 and 5 p.m. and National Parks Adventure at 1 p.m. Amazon Adventure, 11 a.m. and 4 p.m. (no 11 a.m. show Aug. 17). All through Labor Day. One exhibit and daytime IMAX movie included with paid aquarium adm: $22.95 for adults; $20.95 for youths (13-17) and seniors (65+); and $15.95 for children (3-12); free for kids under 3 and members. Reservations: maritimeaquarium.org.

Screening of Emily Dickinson biopic, My Letter to the World, Thurs., Aug. 17, 6-8 p.m., Westport Library, 20 Jesup Rd. In-depth look at Dickinson’s life and work; writer and Dickinson scholar Jerome Charyn to introduce film, narrated by Cynthia Nixon, then lead Q/A with producer Sol Papadopoulos, who also produced new feature film A Quiet Passion starring Nixon as Dickinson. Info: westportlibrary.org

Avon Theatre Film Center, 272 Bedford St., Stamford; avontheatre.org, 203-967-3660; tickets $9-$12 nonmembers; Wind River-R, Aug. 17, 7:30 p.m.; The Warriors (1979-R), Aug. 22, 8:30 p.m.; The Godfather (1972-R, 45th anniversary screening), Aug. 30, 7 p.m.

Chad Calek

American Ghost Hunter Chad Calek, Sir Noface Lives Tour, Sat., Aug. 19, 7:30 p.m., Ridgefield Playhouse, 80 East Ridge Rd. Documentary filmmaker Calek and fellow investigator Justin Holstein offer “opportunity to be amongst the first to see this mind-blowing footage and spend up to 5 hours exploring paranormal existence through film.” Event includes a “best of” evidence presentation featuring 25 years of their “most compelling evidence” on existence of ghosts, Q&As, and special two-hour VIP meet and greet and dinner with hosts. Tickets, $25; pre-show upgrade $65, VIP Gold Circle including meet and greet, VIP seating and merchandise $200, at 203-438-5795 or ridgefieldplayhouse.org.

Jane Austen Film Series, free screenings, each Wed., 3:30 p.m., Pequot Library auditorium, 720 Pequot Ave., Southport. Emma (PG), Aug. 23. Persuasion (PG), Aug. 30. In conjunction with library’s Jane Austin: Insights and Influences exhibit. Info: pequotlibrary.org

Westport Cinema Initiative, to host encore screening of The High School That Rocked documentary, Sat., Aug. 26, 5 p.m., Westport Historical Society, 25 Avery Place; plus talkback with film’s producer Fred Cantor and local filmmaker Douglas Tirola. $10 online only at westportcinema.org; includes popcorn. Info also at westporthistory.org

Man in Red Bandana, CT premiere of documentary about Welles Remy Crowther, United Flight 175 on Sept. 11, 2001 that struck WTC’s south tower and equities trader-turned hero who found escape route past inferno below, by Michael J. Weiss, Fri., Sept. 8, 8 p.m., The Palace Danbury, 165 Main St., Danbury. Tickets $15, at thepalacedanbury.com or 203-794-9944.

St. Mary Movie Night Under the Stars, Sat., Sept. 9, 5:30-9:30 p.m., outside Parish Hall, 185 High Ridge Rd., Ridgefield; Hidden Figures starts 7:15; bring chairs; food trucks, family lawn games and contests. Free adm.

Monday Matinees, Stratford Library, 2203 Main St. The Zookeeper’s Wife (PG-13), Sept. 11, noon. Real-life story of woman who helped hide Jews from Nazis during WWII, starring Jessica Chastain and Johan Heldenbergh. Info: stratfordlibrary.org.