Frustrated that his Christmas lights won't work, Clark Griswold (Chevy Chase) checks everything he can think of. Is the solution hiding in plain sight, or buried under a mountain of plugs in the garage? It takes one classic Clark freak-out and a simple flip of a switch from Ellen (Beverly D'Angelo) before the lights are sparkling better than ever. Watch National Lampoon’s Christmas Vacation (1989) on TNT. #TNT #ChevyChase #BeverlyDAngelo #NationalLampoonsChristmasVacation SUBSCRIBE: bit.ly/SubscribeTNT Download the TNT App: bit.ly/1GcZDJb About TNT: The home of AEW, NBA on TNT, Rich & Shameless, Supernatural, The Lazarus Project, sports coverage and more. Connect with TNT Online: Visit the TNT WEBSITE: TNTDrama.com Like TNT on FACEBOOK: Facebook.com/TNTDrama Follow TNT on TikTok: tiktok.com/@tntnetwork Follow TNT on X (formerly TWITTER): X.com/TNTDrama Follow TNT on INSTAGRAM: Instagram.com/TNTDrama Clark Gets the Ch...