Kean Theatre, 5847 Meridian Road, Gibsonia, presents "Croaked at the Cookout," an interactive murder mystery, on Saturday with lunch and a matinee starting at 1 p.m. and dinner and the evening show at 7 p.m. The cost is $33. The show is at the theater. The buffet is served at The Woodlands at St. Barnabas Pavilion, 85 Charity Place, Valencia. Call 724-444-5326 or visit www.keantheatre.com. Proceeds benefit the St. Barnabas Free Care Fund.

New Castle Playhouse, 212 E. Long Ave. in New Castle, presents the Lerner and Loewe musical "Brigadoon" through Sunday in Augustine Auditorium. Curtain is at 7:30 p.m. Friday and Saturday and at 2 p.m. Sunday. Tickets are $15 for adults and $12 for senior citizens age 60 and older and students, and $10 for children age 12 and younger. Call 724-654-3437 between 9 a.m. and 4 p.m. weekdays.

<B>Pittsburgh Public Theater</B> in the O'Reilly Theater, 621 Penn Ave., presents Alan Ayckbourn's "Time of My Life" about the Stratton family's past, present and future in this comedy set in their favorite restaurant, through Sunday. Tickets range from $35 to $55; students and anyone age 26 or younger pay $15. Call 412-316-1600 or visit www.ppt.org.<B>CLO Cabaret</B> presents "Nunsense" through June 6 at the CLO Cabaret at Theater Square, 655 Penn Ave. Performances begin at 7:30 p.m. most Wednesdays through Saturdays, at 2 p.m. Saturdays and Sundays and at 1 p.m. select Thursdays, with some exceptions. Tickets are $39.50 for Wednesday, Thursday and Friday evenings, $44.50 for Saturday evenings, and $34.50 for matinees. Call 412-456-6666.