Comtra Theatre, Route 19, Cranberry Township, presents the play “Sherlock Holmes” Friday through May 7. The play focuses on the first meeting and case of Holmes and Watson as they deal with the Sign of Four. Curtain is at 7:30 p.m. Fridays and Saturdays. Tickets are $12. For reservations, call 724-591-8727 or visit comtraplayers.com.

Pittsburgh Public Theater presents “Candida,” the George Bernard Shaw comedy targeting love and marriage, through May 18 at the O'Reilly Theater, 621 Penn Ave. Tickets are $23 to $55. Students and anyone age 26 and younger pay $15.75. Call 412-316-1600 or visit ppt.org.