Wednesdays@1 will show “Authors Anonymous” at 1 p.m. Wednesday at the Kean Theatre at St. Barnabas, Washington Place, 5847 Meridian Road, Gibsonia. Admission is free. Donations are accepted for the free care fund. Call 724-444-5326.

Regent Square Theater, 1035 S. Braddock Ave., will show “Christine,” based on Stephen King’s novel, at 8 p.m. Sunday. Visit theaters.pittsburgharts.org.Rangos Omnimax Theater, Carnegie Science Center, North Side, is showing “Great White Shark,” “Jerusalem” and “Mysteries of the Unseen World.” Throwback Thursdays will pull out of the vault classic Omnimax films such as “Sea Monsters” and “Rocky Mountain Express.” Tickets for most shows are $8.50 for adults and $6.50 for children ages 3 to 12. Call 412-237-3400 for show times.