Showtimes for "National Lampoon's Christmas Vacation" near Mount Lebanon, PA are available on: 12/9/2024 12/13/2024 12/14/2024 12/16/2024 12/17/2024 12/18/2024 12/20/2024 12/21/2024 12/22/2024 12/23/2024 12/25/2024 12/26/2024 12/30/2024