Tuesdays@2 will show “The Purge” at 2 p.m. Tuesday and Wednesdays@1 will show “Oblivion” at 1 p.m. Wednesday, both in the Kean Theatre at St. Barnabas, Washington Place, 5847 Meridian Road, Gibsonia. Admission to both is free, but donations are accepted for the free care fund. Call 724-444-5326.

Rangos Omnimax Theater at the Carnegie Science Center, North Side, is showing “To the Arctic,” “Flight of the Butterflies” and “Hubble,” which closes Nov. 21. “Polar Express” and “Rocky Mountain Express” will open Nov. 22. Tickets for most shows are $8 for adults and $6 for senior citizens and children. Call 412-237-3400 for show times. The center is typically closed on days when there are Steelers home games.