Butler Little Theatre presents “Blithe Spirit,” the first show of its 75th season, through Saturday at the theater at One Howard St. Curtain is at 7:30 p.m. today and 8:15 p.m. Friday and Saturday. Tickets are $12 and available by calling 724-287-6781 from 7 to 9 p.m. Mondays through Fridays. Visit www.bltgroup.org.

Comtra Theatre, Route 19, Cranberry Township, presents the musical “Cats” through Saturday. Curtain is at 7:30 p.m. Fridays and Saturdays. Doors open at 6:30 p.m. Tickets are $15. Visit www.comtratheatre.org or call 724-591-8727.