This photo provided by Universal Pictures Home Entertainment shows Christopher Lloyd, left, as Dr. Emmett Brown, and Michael J. Fox as Marty McFly in the 1985 film, "Back to the Future." Wednesday's so-called "Back to the Future" Day marks the date - Oct. 21, 2015 - that characters McFly, Brown and Jennifer Parker famously journeyed to the future in the film trilogy's second installment in 1989. "The Back to the Future 30th Anniversary Trilogy" and "Back to the Future: The Complete Adventures" release on Blu-ray and DVD on Oct. 20. (Universal Pictures Home Entertainment via AP)
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• The Salt Lake Film Society celebrates the 30th anniversary of "Back to the Future" with a marathon screening of all three films at the Tower Theatre, 876 E. 900 South, Salt Lake City. A Delorean will be parked out front for selfies, and a food truck will serve futuristic foods. Party starts at 4:29 p.m.; screening starts at 6. Tickets are $20, at the door.
• Post-hardcore band Escape the Fate headlines a show at In the Venue, 219 S. 600 West, Salt Lake City. Opening: A Skylit Drive, Sworn In, Sirens & Sailors, Myka Relocate, Arsenal of Destruction. Show starts at 6. Tickets are $20, at Smith's Tix.