Here’s a roundup of this weekend’s free screenings in the Chicago Park District’s Movies in the Park series.

Friday, June 27

Grease, 8 PM, Athletic Field Park, 3546 W. Addison

E.T., 8:30 PM, Sauganash Park, 5861 N. Kostner

The Water Horse, 8:30 PM, Foster Park, 1440 W. 84th

Transformers, 8:30 PM, Moore Park, 5085 W. Adams

Saturday, June 28

Shrek the Third, 8:30 PM, Jonquil Playlot Park, 1023 W. Wrightwood

Surf’s Up, 8:30 PM, Olympia Park, 6566 N. Avondale

The Wizard of Oz, 8:30 PM, Horner Park, 2741 W. Montrose