Millennium Park Film SeriesLooking for a free family-friendly activity that's fun for all ages? Summer is one of the best seasons in Chicago, if only because there are so many ways to enjoy the beautiful weather. But what am I most excited for? The upcoming Millennium Park Film Series, in partnership with the Chicago Department of Cultural Affairs and Special Events, will present a different movie every Tuesday night at 6:30pm, starting with Ferris Bueller's Day Off on June 21!