Loading view. There were no results found. There were no results found. Events Gretna Theatre Gretna Theatre 200 Pennsylvania Ave Mt. Gretna, 17064 United States Get Directions 717-964-3627 https://www.gretnatheatre.org/ Today Now onwards Now onwards Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file