The Bucks County Gilbert & Sullivan Society presents Gilbert & Sullivan’s musical comedy “Iolanthe, or the Peer and the Peri,” at 8 p.m. Friday, June 21, 2 and 8 p.m. Saturday, June 22, and 2 p.m. Sunday, June 23, in Delaware Valley University’s Life Sciences Theater, 700 E. Butler Ave., Doylestown.