The Strand Theater, 119 N. Main St., Zelienople, will show the musical "Chicago" at 7:30 p.m. Friday and Saturday and at 2 p.m. Sunday. Tickets are $5 for general admission or $4 for senior citizens. Call 724-742-0400.

<B>Rangos Omnimax Theater</B> at the Carnegie Science Center, One Allegheny Ave., North Side, will offer its second of three free Omnimax film previews, "Extreme," at 8 p.m. Saturday. Registration is necessary and available at the Web site, www.carnegiesciencecenter.org. The third free film will be "Wildfire: Feel the Heat" at 8 p.m. Jan. 30. Call 412-237-3400. Also in the Omnimax are "Volcanoes of the Deep Sea," "Mysteries of the Great Lakes" and "Under the Sea" plus the early leaners film "Animalopolis."