A free Christmas dinner theater will be presented Wednesday by Grace Anglican Church at Highland Presbyterian Church, 310 Franklin St., Slippery Rock. The dinner will be served at 5:45 p.m. followed by Charles Williams' Christmas play, “The House by the Stable.” Seating is limited so call 724-421-9362 or send e-mail by Saturday to ChristmasDinnerTheater@gmail.com. Childcare is provided for children age 6 or younger.

“Heaven and Nature Sings,” a musical presented by Saxonburg Memorial Presbyterian Church, will begin at 7 p.m. Saturday and Sunday at the church, 100 E. Main St., Saxonburg. Call 724-352-2888.

A Hosanna! Holiday Celebration featuring dinner and a show is planned for Saturday in the Penn Christian Academy auditorium, 198 W. Airport Road, Penn Township. The show will be “One Quiet Night.” Cost is $20 for adults and $7 for children age 10 and younger. Reservations are required. Call 724-586-0042 or 724-287-8362.

Comtra Theatre, Route 19 in Cranberry Township, presents “A Christmas Carol” through Dec. 17. Curtain is at 7:30 p.m. Fridays and Saturdays. Tickets are $15. Call 724-773-9896.

<B>The “Nunsense” series continues with “Nuncrackers” </B>at 8 p.m. Friday and Saturday and at 2 p.m. Sunday at the Kean Theatre at Washington Place of St. Barnabas, 5847 Meridian Road, Gibsonia. The cast includes Gretchen Breslawski of Butler. Cost is $30 for Friday and Saturday and $28 for Sunday. Call 724-444-5326 or visit www.keantheatre.com.<B>Barrow-Civic Theatre</B>, 1223 Liberty St., Franklin, presents “A Christmas Story” at 7:30 p.m. Friday and Saturday and at 2 p.m. Sunday. For tickets, call the box office at 814-437-3440 or online at www.barrowtheatre.com.

<B>Pittsburgh CLO’s 20th annual holiday production of “A Musical Christmas Carol”</B> is being staged through Dec. 23 at the Byham Theater, 101 Sixth St. Curtain is at 7:30 p.m. today, Friday, and Dec. 16, and Dec. 20 to 23, at 4 and 8 p.m. Saturday, at 2 and 6 p.m. Sunday and Dec. 18, and at noon, 4 and 8 p.m. Dec. 17. Tickets range from $26.75 to $46.75, with half-price tickets available for children ages 3 to 14. Tickets are available by calling 412-456-6666 or online at www.pittsburghCLO.org.<B>“Ada’s Promise,” </B>a contemporary Christmas story, will be presented by the Brown Chapel Heir Force at 6 p.m. Dec. 17 at the New Hazlett Theater, Allegheny Square East, Allegheny Center on the Northside. Children younger than 12 are admitted free; cost for adults and teens is $10 for gold circle seats or $5 for general admission. Call 412-471-4332 or 412-321-2240.