CHICAGO (WLS) -- Millennium Park's Summer Film Series kicked off Tuesday night with "Back to The Future".
Guests took a seat at the Jay Pritzker Pavilion or lounged on the Great Lawn.
Pictures of the infamous 1982 DeLorean time machine were on display for movie buffs.
You can enjoy a free flick every Tuesday through September 1.
Summer Film Series kicks off at Millennium Park
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