The Griswolds got back together this weekend to celebrate the 30th anniversary of National Lampoon’s Christmas Vacation. Chevy Chase is working on a spin-off of the movie for HBO.
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: (L-R) Johnny Galecki, Juliette Lewis, Diane Ladd, Chevy Chase and Beverly D'Angelo attend the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Chevy Chase attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Beverly D'Angelo attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: (L-R) Beverly D'Angelo and Diane Ladd attend the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Johnny Galecki attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Johnny Galecki attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Chevy Chase attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Juliette Lewis attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Jay Chandrasekhar attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Diane Ladd attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Johnny Galecki attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: (L-R) Johnny Galecki and Chevy Chase attend the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Juliette Lewis attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Diane Ladd attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Diane Ladd attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Beverly D'Angelo attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Beverly D'Angelo attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Beverly D'Angelo attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: (L-R) Juliette Lewis and Johnny Galecki attend the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)
BEVERLY HILLS, CALIFORNIA - DECEMBER 12: Jay Chandrasekhar attends the Academy of Motion Picture Arts and Sciences 30th Anniversary Screening of "National Lampoons Christmas Vacation" at the AMPAS Samuel Goldwyn theatre on December 12, 2019 in Beverly Hills, California. (Photo by Jean Baptiste Lacroix/Getty Images)