“Nightmares on Lincoln Ave IV: Welcome to the Undead City” runs through Oct. 27, with a special Halloween performance Wed., Oct. 31.
All performances are at Cornservatory, 4210 N. Lincoln Ave., and it’s BYOB. Tickets price varies by day (Wednesdays $7; Thursdays $10; Fridays, Saturdays and Halloween night $15). Call 773-650-1331 for reservations or purchase tickets online at www.cornservatory.org.