An Improv Night will be held from 7 to 9 p.m. Saturday at Butler Little Theatre, One Howard St. Admission is $5 at the door. The unscripted show, hosted by Shannon Donovan, is based on audience participation.

The mystery dinner show “Death and Taxes,” performed by Mystery's Most Wanted, will be hosted by the Friends of South Butler Community Library on Dec. 6 at the Saxonburg VFW Hall opposite Knoch High School. Cash bar and appetizers begin at 5 p.m. with dinner at 6:15 p.m. Tickets are $30 and include a catered medieval feast. Tickets are available at the library, 240 W. Main St., Saxonburg. Medieval-style attire adds to the fun but is not required. Raffles and door prizes are planned.

Calvin Church youth groups present “Godspell” through Saturday at Calvin Presbyterian Church, 415 E. Grandview Ave., Zelienople. Curtain is at 7:30 p.m. Friday and 2 and 7:30 p.m. Saturday. Donation is $8 for adults and $5 for students. Proceeds benefit Calvin youth groups mission projects. Call 724-452-7560, Ext. 17.

Grove City High School presents “Romeo and Juliet” at 7 p.m. today through Saturday at the high school theater, 511 Highland Ave. Tickets will be available at the door. Cost is $5 for adults and $3 for students.

Point Park University's Conservatory Theatre Company presents the Shakespeare comedy “As You Like It” through Sunday in the Studio Theatre at the Pittsburgh Playhouse, 222 Craft Ave. Performances are at 8 p.m. today through Saturday and 2 p.m. Saturday and Sunday. Tickets are $18 to $20 and available by calling 412-392-8000 or visiting www.pittsburghplayhouse.com.Pittsburgh Public Theater presents “L'Hotel” through Dec. 14 at the O'Reilly Theater, 621 Penn Ave. Visit ppt.org.