COUNTYA murder-mystery dinner show to benefit the Knoch Fine Arts Department is planned for 6 p.m. Friday at Glade Run United Presbyterian Church, 1091 Pittsburgh Road, Valencia. In “Suspect Hollywood,” dinner guests can try to guess the identity of the murderer and win prizes. Cost for the catered dinner is $20. Earlier the same day, there will be an art show by Knoch High School students, and high school musicians will perform. Proceeds benefit the school’s fine arts department in the form of four $500 student scholarships.

Comtra Theatre, Route 19, Cranberry Township, presents “On Golden Pond” through May 14. Curtain is at 7:30 p.m. Fridays and Saturdays. Tickets are $12 for plays and $15 for musicals. Reservations can be made at 724-773-9896.

REGIONNew Castle Playhouse, 212 E. Long Ave., New Castle, presents the musical “Oklahoma” through May 15. Curtain is at 7:30 p.m. Fridays and Saturdays and at 2 p.m. Sundays. Tickets are $15 for adults, $12 for senior citizens age 60 and older and students, and $10 for children age 12 and younger. Call the box office at 724-657-3437.

Kean Theatre, 5847 Meridian Road, Gibsonia, presents the comedy “Noises Off” at 8 p.m. Friday and Saturday. Cost is $22. An optional dinner at any Atria’s Restaurant & Tavern will begin seating at 6 p.m.; cost for dinner and the show is $41. A Sunday matinee will be staged at 2 p.m. Sunday. Cost is $20. An optional luncheon will take place at the Kean’s Mount Vernon Restaurant at 12:30 p.m.; cost for lunch and the show is $39. For tickets, call 724-444-5326 or visit www.keantheatre.com.

Barrow-Civic Theatre, 1223 Liberty St., Franklin, presents the musical “Annie” Friday through Sunday. Curtain is at 7:30 p.m. Friday and Saturday and 2 p.m. Sunday. Tickets are $18 for adults, $16 for senior citizens, and $12 for students and children. Call 437-3440 or 800-537-7769 or visit www.barrowtheatre.com.

Armstrong Community Theater presents the murder mystery dinner theater production of “Who Killed the King?” at 7 p.m. Friday and Saturday at the Kittanning Country Club. Tickets are $30. Call 724-297-3228.