Comtra Theatre, Route 19, Cranberry Township, presents “Sherlock Holmes” through May 17. Based on the stories by Sir Arthur Conan Doyle, the play focuses on the first meeting and case of Holmes and Watson as they deal with the mysterious 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 International Children's Festival will be held Wednesday through May 18 in the Cultural District. It features ticketed performances by artistic companies from Canada, Denmark, Israel, the Netherlands, Spain, the United Kingdom and the United States along with a variety of free events. Call 412-456-6666 or visit www.PghKids.org.Pittsburgh Public Theater stages “Candida,” the George Bernard Shaw comedy which targets love and marriage, through May 18 at the O'Reilly Theater, 621 Penn Ave. Tickets are $23 to $55; students and those 26 and younger pay $15.75. Call 412-316-1600 or visit ppt.org.